ENG/中
老虎证券
市场
行情
24/7新闻
产品
Cash Boost账户
期权
A股通
港股
固定票息票据
美股
ETF
基金超市
美国国债
新加坡股
期货
Tiger BOSS Debit Card
老虎钱袋子
功能
经纪人
定投
CPF/SRS 投资
专栏
美股碎股
TigerAI
费用
综合账户
股票与ETF
期权、窝轮与牛熊证
期货
债券
基金超市
Cash Boost
股票与ETF
融资利率
活动
帮助
账户操作
如何开户
开户文件
账户类型
资金与转仓
入金
DDA快捷入金
出金
转入股票
转出股票
货币兑换
产品与交易
可交易产品
订单类型
交易规则
申报
融资融券
保证金与杠杆
风险管理
做空风险
基金超市
基金开户与交易
Cash Boost账户
Cash Boost 账户FAQ
如何开通 Cash Boost 账户
如何用Cash Boost 账户交易
如何绑定CDP证券账户
Tiger Boss Debit Card
常见问题
费用说明
如何充值
如何使用我的Debit card
账单报表
账单报表
股息（分红）
机构
Tiger Fund Management
机构服务
财富及资产管理人
自营交易机构
介绍经纪商
三方服务商
老虎API平台
登录
立即注册
Toggle
美股
详情
本页面由Tiger Trade Technology Pte. Ltd.提供服务
NPK International
11.48
+0.0700
0.61%
盘后：
11.48
0.0000
0.00%
16:43 EDT
成交量：
90.97万
成交额：
1,046.45万
市值：
9.70亿
市盈率：
22.89
高：
11.65
开：
11.42
低：
11.25
收：
11.41
52周最高：
16.50
52周最低：
10.73
股本：
8,449.47万
流通股本：
8,043.16万
量比：
1.09
换手率：
1.13%
股息：
- -
股息率：
- -
每股收益(TTM):
0.5016
每股收益(LYR):
0.4549
净资产收益率：
11.18%
总资产收益率：
7.90%
市净率：
2.61
市盈率(LYR):
25.23
数据加载中...
总览
公司
新闻资讯
公告
2026/09/14
重要事件披露
Form 8-K - Current report
2026/09/10
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/09/02
重要事件披露
Form 8-K - Current report
2026/08/28
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/08/17
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/07/31
超过5%披露
Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors
2026/07/30
重要事件披露
Form 8-K - Current report
2026/07/30
季度报告
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
2026/07/30
重要事件披露
Form 8-K - Current report
2026/07/30
超过5%披露
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
2026/07/29
重要事件披露
Form 8-K - Current report
2026/06/08
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/06/03
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/06/03
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/05/20
重要事件披露
Form 8-K - Current report
2026/05/15
关联方拟减持公告
Form 144 - Report of proposed sale of securities
2026/05/01
重要事件披露
Form 8-K - Current report
2026/05/01
季度报告
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
2026/04/30
重要事件披露
Form 8-K - Current report
2026/04/09
超过5%披露
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
更多
{"basename":"/hans","ssrTDKData":{"titleTemplate":"%s - 老虎证券","title":"老虎证券全球投资理财平台| 一站式投资美股新股港股A股","description":"老虎证券助您一站式投资美股，新股，港股，A股等全球金融理财产品。新加坡华人最信赖的在线投资平台，现在加入即享低费用，24/5 无时差炒美股投资理财！","keywords":"老虎证券,老虎证券开户,老虎券商,老虎证券官网,老虎证券app,tigertrade老虎证券,股票,炒股,新加坡股票交易平台,投资,投资理财","social":{"ogDescription":"老虎证券助您一站式投资美股，新股，港股，A股等全球金融理财产品。新加坡华人最信赖的在线投资平台，现在加入即享低费用，24/5 无时差炒美股投资理财！","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.itiger.com/hans/stock/NPKI/filings"},"companyName":"老虎证券"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"NPKI","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NPKI\",,,,,undefined,":{"symbol":"NPKI","market":"US","secType":"STK","nameCN":"NPK International","latestPrice":11.48,"timestamp":1791489600000,"preClose":11.41,"halted":0,"volume":909745,"hourTrading":{"tag":"盘后","latestPrice":11.48,"preClose":11.48,"latestTime":"16:43 EDT","volume":18234,"amount":209326.32,"timestamp":1791492215574,"change":0,"changeRate":0,"amplitude":0},"delay":0,"changeRate":0.006134969325153399,"floatShares":80431582,"shares":84494699,"eps":0.501602,"marketStatus":"盘后交易","change":0.07,"latestTime":"10-08 18:44:40 EDT","open":11.42,"high":11.65,"low":11.25,"amount":10464471.046289999,"amplitude":0.035057,"askPrice":12.59,"askSize":100,"bidPrice":11.15,"bidSize":20,"shortable":3,"etf":0,"ttmEps":0.501602,"tradingStatus":3,"nextMarketStatus":{"tag":"收盘","tradingStatus":0,"beginTime":1791504000000},"marketStatusCode":4,"adr":0,"exchange":"NYSE","adjPreClose":11.41,"preHourTrading":{"tag":"盘前","latestPrice":11.0777,"preClose":11.41,"latestTime":"08:09 EDT","volume":1,"amount":11.0777,"timestamp":1791461373112,"change":-0.3323,"changeRate":-0.029124,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":11.48,"preClose":11.48,"latestTime":"16:43 EDT","volume":18234,"amount":209326.32,"timestamp":1791492215574,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.093666,"impliedVol":0.5756,"impliedVolPercentile":0.6932},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NPKI\",,,,,undefined,":{"symbol":"NPKI","floatShares":80431582,"roa":"7.90%","roe":"11.18%","lyrEps":0.454928,"volumeRatio":1.093666,"shares":84494699,"dividePrice":0,"high":11.65,"amplitude":0.035057,"preClose":11.41,"low":11.25,"week52Low":10.73,"pbRate":"2.61","psRate":"3.23","week52High":16.5,"institutionHeld":0.833,"latestPrice":11.48,"committee":-0.666667,"eps":0.501602,"divideRate":0,"volume":909745,"delay":0,"ttmEps":0.501602,"open":11.42,"prevYearClose":11.92,"prevWeekClose":11.79,"prevMonthClose":11.42,"prevQuarterClose":11.42,"fiveDayClose":11.83,"twentyDayClose":13.19,"sixtyDayClose":14.5},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NPKI\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-07-29","symbol":"NPKI","fiscalQuarterEnding":"2026/06","expectedEps":0.13,"name":null,"time":"盘后","type":"earning","dateTimestamp":1785297600000,"reportTimeType":"post","actualEps":0.15},{"market":"US","date":"2026-04-30","symbol":"NPKI","fiscalQuarterEnding":"2026/03","expectedEps":0.11,"name":null,"time":"盘后","type":"earning","dateTimestamp":1777521600000,"reportTimeType":"post","actualEps":0.12},{"market":"US","date":"2026-02-25","symbol":"NPKI","fiscalQuarterEnding":"2025/12","expectedEps":0.11,"name":null,"time":"盘后","type":"earning","dateTimestamp":1771995600000,"reportTimeType":"post","actualEps":0.13},{"market":"US","date":"2025-10-30","symbol":"NPKI","fiscalQuarterEnding":"2025/09","expectedEps":0.07,"name":null,"time":"盘后","type":"earning","dateTimestamp":1761796800000,"reportTimeType":"post","actualEps":0.07},{"market":"US","date":"2025-08-05","symbol":"NPKI","fiscalQuarterEnding":"2025/06","expectedEps":0.09,"name":null,"time":"盘后","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"post","actualEps":0.11}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NPKI\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NPKI\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":1,"hold":0,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":1,"analysts":4,"updateTime":1753416000000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NPKI\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NPKI","date":"2026-10-07","current":22.886671,"percent":0.50783,"low":-7.850522,"twenty":-4.885121,"median":23.40428,"eighty":31.9841,"high":37.416231,"avg":13.709502,"sd":17.996307,"marketCap":1019767826},"quantilePoints":[{"date":"2024-12-20","current":-3.927725,"twenty":-3.927725,"median":-3.927725,"eighty":-3.927725,"marketCap":626240437},{"date":"2024-12-27","current":-4.025376,"twenty":-3.986316,"median":-3.9657,"eighty":-3.958105,"marketCap":641809951},{"date":"2025-01-03","current":-4.144727,"twenty":-4.082881,"median":-3.987401,"eighty":-3.9657,"marketCap":660839356},{"date":"2025-01-10","current":-3.987401,"twenty":-4.129537,"median":-4.025376,"eighty":-3.97004,"marketCap":635755140},{"date":"2025-01-17","current":-4.123026,"twenty":-4.116516,"median":-4.030801,"eighty":-3.97004,"marketCap":657379464},{"date":"2025-01-24","current":-4.133877,"twenty":-4.142557,"median":-4.057926,"eighty":-3.978721,"marketCap":659109410},{"date":"2025-01-31","current":-3.91145,"twenty":-4.142557,"median":-4.036226,"eighty":-3.93966,"marketCap":623645518},{"date":"2025-02-07","current":-3.667324,"twenty":-4.131707,"median":-3.990114,"eighty":-3.89409,"marketCap":584721734},{"date":"2025-02-14","current":-3.775824,"twenty":-4.119771,"median":-3.976551,"eighty":-3.758464,"marketCap":602021194},{"date":"2025-02-21","current":-3.640198,"twenty":-4.106751,"median":-3.9657,"eighty":-3.732424,"marketCap":580396869},{"date":"2025-02-28","current":-3.456143,"twenty":-4.101326,"median":-3.927725,"eighty":-3.678174,"marketCap":519326916},{"date":"2025-03-07","current":-3.248774,"twenty":-4.090476,"median":-3.88975,"eighty":-3.564248,"marketCap":488167301},{"date":"2025-03-14","current":-3.427342,"twenty":-4.074201,"median":-3.802949,"eighty":-3.502225,"marketCap":514999191},{"date":"2025-03-21","current":-3.358219,"twenty":-4.041651,"median":-3.775824,"eighty":-3.444897,"marketCap":504612653},{"date":"2025-03-28","current":-3.473423,"twenty":-4.036226,"median":-3.724286,"eighty":-3.444622,"marketCap":521923550},{"date":"2025-04-04","current":-3.173891,"twenty":-4.025376,"median":-3.683599,"eighty":-3.39278,"marketCap":476915217},{"date":"2025-04-11","current":-2.960762,"twenty":-3.992826,"median":-3.653761,"eighty":-3.358219,"marketCap":444890058},{"date":"2025-04-17","current":-3.127809,"twenty":-3.988486,"median":-3.597635,"eighty":-3.338634,"marketCap":469990858},{"date":"2025-04-25","current":-3.363979,"twenty":-3.987401,"median":-3.564248,"eighty":-3.312137,"marketCap":505478198},{"date":"2025-05-02","current":-3.468599,"twenty":-3.978721,"median":-3.536955,"eighty":-3.312137,"marketCap":511798711},{"date":"2025-05-09","current":-4.617035,"twenty":-4.027546,"median":-3.564248,"eighty":-3.316745,"marketCap":681252768},{"date":"2025-05-16","current":-4.743058,"twenty":-4.092646,"median":-3.597635,"eighty":-3.327113,"marketCap":699847757},{"date":"2025-05-23","current":-4.559752,"twenty":-4.136047,"median":-3.667324,"eighty":-3.329417,"marketCap":672800500},{"date":"2025-05-30","current":-4.622763,"twenty":-4.165342,"median":-3.683599,"eighty":-3.332874,"marketCap":682097995},{"date":"2025-06-06","current":-4.788885,"twenty":-4.398213,"median":-3.724286,"eighty":-3.338634,"marketCap":706609571},{"date":"2025-06-13","current":-4.920637,"twenty":-4.549441,"median":-3.775824,"eighty":-3.340938,"marketCap":726049786},{"date":"2025-06-20","current":-4.914908,"twenty":-4.610161,"median":-3.802949,"eighty":-3.343242,"marketCap":725204560},{"date":"2025-06-27","current":-4.955007,"twenty":-4.641094,"median":-3.876187,"eighty":-3.346698,"marketCap":731121147},{"date":"2025-07-03","current":-5.052388,"twenty":-4.713271,"median":-3.919588,"eighty":-3.349002,"marketCap":745490002},{"date":"2025-07-11","current":-4.937822,"twenty":-4.77972,"median":-3.93315,"eighty":-3.358219,"marketCap":728585467},{"date":"2025-07-18","current":-4.863353,"twenty":-4.80607,"median":-3.971126,"eighty":-3.359371,"marketCap":717597519},{"date":"2025-07-25","current":-5.178412,"twenty":-4.823255,"median":-3.987401,"eighty":-3.367435,"marketCap":764084991},{"date":"2025-08-01","current":-5.166955,"twenty":-4.849606,"median":-4.030801,"eighty":-3.382412,"marketCap":762394537},{"date":"2025-08-08","current":-5.166632,"twenty":-4.888558,"median":-4.074201,"eighty":-3.388172,"marketCap":759050566},{"date":"2025-08-15","current":-5.747088,"twenty":-4.897723,"median":-4.104038,"eighty":-3.399692,"marketCap":844327660},{"date":"2025-08-22","current":-5.747088,"twenty":-4.919491,"median":-4.133877,"eighty":-3.430798,"marketCap":844327660},{"date":"2025-08-29","current":-5.99996,"twenty":-4.936676,"median":-4.161002,"eighty":-3.444677,"marketCap":881478077},{"date":"2025-09-05","current":-6.109154,"twenty":-4.960735,"median":-4.182702,"eighty":-3.444897,"marketCap":897520302},{"date":"2025-09-12","current":-6.132143,"twenty":-5.040932,"median":-4.347804,"eighty":-3.444897,"marketCap":900897613},{"date":"2025-09-19","current":-6.344785,"twenty":-5.126857,"median":-4.528246,"eighty":-3.456143,"marketCap":932137736},{"date":"2025-09-26","current":-6.459727,"twenty":-5.172683,"median":-4.559752,"eighty":-3.461903,"marketCap":949024289},{"date":"2025-10-03","current":-6.488462,"twenty":-5.229967,"median":-4.608442,"eighty":-3.468599,"marketCap":953245928},{"date":"2025-10-10","current":-6.356279,"twenty":-5.666629,"median":-4.622763,"eighty":-3.473423,"marketCap":933826391},{"date":"2025-10-17","current":-6.614898,"twenty":-5.747088,"median":-4.654269,"eighty":-3.496464,"marketCap":971821136},{"date":"2025-10-24","current":-7.344778,"twenty":-5.925248,"median":-4.720145,"eighty":-3.502225,"marketCap":1079050749},{"date":"2025-10-31","current":34.371463,"twenty":-5.971224,"median":-4.725873,"eighty":-3.502225,"marketCap":1135564402},{"date":"2025-11-07","current":32.480255,"twenty":-5.948236,"median":-4.685775,"eighty":-3.461903,"marketCap":1073082677},{"date":"2025-11-14","current":30.741155,"twenty":-5.930995,"median":-4.639949,"eighty":-3.444622,"marketCap":1015626281},{"date":"2025-11-21","current":28.66958,"twenty":-5.925248,"median":-4.617035,"eighty":-3.38126,"marketCap":947185575},{"date":"2025-11-28","current":31.07363,"twenty":-5.92065,"median":-4.59985,"eighty":-3.355915,"marketCap":1026610592},{"date":"2025-12-05","current":33.094055,"twenty":-5.78157,"median":-4.551159,"eighty":-3.339786,"marketCap":1093361405},{"date":"2025-12-12","current":33.503256,"twenty":-5.747088,"median":-4.519653,"eighty":-3.316745,"marketCap":1106880556},{"date":"2025-12-19","current":31.53398,"twenty":-5.747088,"median":-4.27339,"eighty":-3.304073,"marketCap":1041819638},{"date":"2025-12-26","current":31.201505,"twenty":-5.719502,"median":-4.182702,"eighty":-3.199236,"marketCap":1030835327},{"date":"2026-01-02","current":30.485405,"twenty":-5.696513,"median":-4.161002,"eighty":-3.141634,"marketCap":1007176812},{"date":"2026-01-09","current":31.99433,"twenty":-5.682721,"median":-4.133877,"eighty":-3.006844,"marketCap":1057028684},{"date":"2026-01-16","current":35.242356,"twenty":-5.670077,"median":-4.104038,"eighty":-2.874359,"marketCap":1164336952},{"date":"2026-01-23","current":36.265356,"twenty":-5.655135,"median":-4.082339,"eighty":29.523785,"marketCap":1198134831},{"date":"2026-01-30","current":35.370231,"twenty":-5.578124,"median":-4.036226,"eighty":30.546785,"marketCap":1168561687},{"date":"2026-02-06","current":35.012181,"twenty":-5.430998,"median":-3.990114,"eighty":30.945755,"marketCap":1156732429},{"date":"2026-02-13","current":35.677131,"twenty":-5.317229,"median":-3.976551,"eighty":31.058285,"marketCap":1178701051},{"date":"2026-02-20","current":37.390656,"twenty":-5.229967,"median":-3.9657,"eighty":31.201505,"marketCap":1235312499},{"date":"2026-02-27","current":0.000001,"twenty":-5.18414,"median":-3.927725,"eighty":31.457255,"marketCap":44},{"date":"2026-03-06","current":30.000155,"twenty":-5.18029,"median":-3.88975,"eighty":31.32433,"marketCap":1168176047},{"date":"2026-03-13","current":28.610857,"twenty":-5.178412,"median":-3.802949,"eighty":31.303805,"marketCap":1114078170},{"date":"2026-03-20","current":30.521142,"twenty":-5.172683,"median":-3.775824,"eighty":31.201505,"marketCap":1188462752},{"date":"2026-03-27","current":31.302622,"twenty":-5.166955,"median":-3.724286,"eighty":31.303805,"marketCap":1218892808},{"date":"2026-04-02","current":31.172376,"twenty":-5.166697,"median":-3.699874,"eighty":31.350379,"marketCap":1213821132},{"date":"2026-04-10","current":32.626797,"twenty":-5.14856,"median":-3.667324,"eighty":31.455113,"marketCap":1270454848},{"date":"2026-04-17","current":31.152165,"twenty":-5.130294,"median":-3.597635,"eighty":31.53398,"marketCap":1213034166},{"date":"2026-04-24","current":31.889238,"twenty":-5.117053,"median":-3.564248,"eighty":31.539095,"marketCap":1241735044},{"date":"2026-05-01","current":35.035147,"twenty":-5.064831,"median":-3.536955,"eighty":31.764155,"marketCap":1380174573},{"date":"2026-05-08","current":33.076554,"twenty":-5.052388,"median":-3.502225,"eighty":31.889796,"marketCap":1303017765},{"date":"2026-05-15","current":33.676777,"twenty":-5.043223,"median":-3.471011,"eighty":32.025444,"marketCap":1326662935},{"date":"2026-05-22","current":32.73357,"twenty":-5.013436,"median":-3.456143,"eighty":32.266448,"marketCap":1289506239},{"date":"2026-05-29","current":32.304839,"twenty":-4.996251,"median":-3.444897,"eighty":32.359088,"marketCap":1272616832},{"date":"2026-06-05","current":31.340196,"twenty":-4.979066,"median":-3.410061,"eighty":32.323855,"marketCap":1234615666},{"date":"2026-06-12","current":31.404505,"twenty":-4.965318,"median":-3.38126,"eighty":32.302644,"marketCap":1237149077},{"date":"2026-06-18","current":32.390585,"twenty":-4.958444,"median":-3.358219,"eighty":32.303375,"marketCap":1275994713},{"date":"2026-06-26","current":33.269483,"twenty":-4.950424,"median":-3.346698,"eighty":32.37488,"marketCap":1310617998},{"date":"2026-07-02","current":30.654227,"twenty":-4.942404,"median":-3.340938,"eighty":32.390585,"marketCap":1207592614},{"date":"2026-07-10","current":30.932902,"twenty":-4.936676,"median":-3.329417,"eighty":32.388208,"marketCap":1218570729},{"date":"2026-07-17","current":30.611354,"twenty":-4.930947,"median":-3.315017,"eighty":32.376791,"marketCap":1205903674},{"date":"2026-07-24","current":31.061521,"twenty":-4.925219,"median":-3.312137,"eighty":32.365795,"marketCap":1223637551},{"date":"2026-07-31","current":24.786854,"twenty":-4.920637,"median":-3.294856,"eighty":32.35238,"marketCap":1057977279},{"date":"2026-08-07","current":26.935313,"twenty":-4.920637,"median":-3.196932,"eighty":32.304839,"marketCap":1149679964},{"date":"2026-08-14","current":27.552,"twenty":-4.914908,"median":-3.14509,"eighty":32.30118,"marketCap":1176002031},{"date":"2026-08-21","current":27.452535,"twenty":-4.90918,"median":-3.093247,"eighty":32.257765,"marketCap":1171756537},{"date":"2026-08-28","current":26.955206,"twenty":-4.897723,"median":-2.995324,"eighty":32.19893,"marketCap":1150529063},{"date":"2026-09-04","current":26.099801,"twenty":-4.897723,"median":-2.934841,"eighty":32.11191,"marketCap":1114017809},{"date":"2026-09-11","current":26.239053,"twenty":-4.897723,"median":-1.425658,"eighty":32.079226,"marketCap":1119961501},{"date":"2026-09-18","current":25.363755,"twenty":-4.893141,"median":24.786854,"eighty":32.052292,"marketCap":1082601148},{"date":"2026-09-25","current":23.235189,"twenty":-4.891995,"median":24.070701,"eighty":32.025444,"marketCap":991747561},{"date":"2026-10-02","current":23.533586,"twenty":-4.891995,"median":23.314761,"eighty":31.999445,"marketCap":1004484046},{"date":"2026-10-07","current":23.891662,"twenty":-4.885121,"median":23.40428,"eighty":31.9841,"marketCap":1019767826}],"updateTime":1791499480716},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NPKI\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"21762152","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000050-NPKI","pdf_url":"","pub_time":1789358400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000050/0000071829-26-000050-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000050/a20268ksep14exhibit991.htm","primary":true,"translateUrl":"","linkName":"a20268ksep14exhibit991.htm","type":"EX-99.1","id":"NTFILE4hjhThfNeqwa5YEK","market":"us","size":10899},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000050/nr-20260911.htm","primary":false,"translateUrl":"","linkName":"nr-20260911.htm","type":"8-K","id":"NTFILE7tFSaQho2NoetJTn","market":"us","size":28280},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000050/image_0.jpg","primary":false,"translateUrl":"","linkName":"image_0.jpg","type":"GRAPHIC","id":"NTFILEDyq8LLJ6NtrVhEQp","market":"us","size":6518},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000050/nr-20260911_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260911_g1.jpg","type":"GRAPHIC","id":"NTFILEdgXw68iEc7vDonAr","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-09-14 12:00","pubTimestamp":1789358400,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目5.02：董事或若干高级职员离职；选举董事；某些官员的任命：某些官员的薪酬安排；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21748451","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726009256-NPKI","pdf_url":"","pub_time":1788987416000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0001950047-26-009256-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726009256/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEDkbPACPLTB6S6zP3","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-09-10 04:56","pubTimestamp":1788987416,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21724349","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000047-NPKI","pdf_url":"","pub_time":1788321600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000047/0000071829-26-000047-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000047/a20268kaug28exhibit991.htm","primary":true,"translateUrl":"","linkName":"a20268kaug28exhibit991.htm","type":"EX-99.1","id":"NTFILE5wCGc2wY4Jc5zjDT","market":"us","size":13072},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000047/nr-20260828.htm","primary":false,"translateUrl":"","linkName":"nr-20260828.htm","type":"8-K","id":"NTFILE12gh4ZVLFhDcFNvq","market":"us","size":30503},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000047/image_0.jpg","primary":false,"translateUrl":"","linkName":"image_0.jpg","type":"GRAPHIC","id":"NTFILE8sD7FTXo5xphPMWJ","market":"us","size":6518},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000047/nr-20260828_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260828_g1.jpg","type":"GRAPHIC","id":"NTFILE52wr4ZwjETtzHedp","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-09-02 12:00","pubTimestamp":1788321600,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目5.02：董事或若干高级职员离职；选举董事；某些官员的任命：某些官员的薪酬安排；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21694175","market":"us","labels":[],"media":"sec.gov","original_id":"AN196922326000962-NPKI","pdf_url":"","pub_time":1787861216000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0001969223-26-000962-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000196922326000962/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEBHbjrhmb3f3uFhzv","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-08-28 04:06","pubTimestamp":1787861216,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21628160","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726008271-NPKI","pdf_url":"","pub_time":1786939200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000195004726008271/0001950047-26-008271-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726008271/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE7Sn7PKBC9ezQUMGT","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-08-17 12:00","pubTimestamp":1786939200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21560013","market":"us","labels":[],"media":"sec.gov","original_id":"AN210011926001510-NPKI","pdf_url":"","pub_time":1785470400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","symbol":"NPKI","title":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","titleType":"超过5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000210011926001510/0002100119-26-001510-index.htm","us_notice_code":"Form SCHEDULE 13G","us_title_en":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000210011926001510/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G","id":"NTFILEAKn8hNtCsyh7kYqw","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超过5%披露","pubTime":"2026-07-31 12:00","pubTimestamp":1785470400,"title_zh":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21554288","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000044-NPKI","pdf_url":"","pub_time":1785384000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/0000071829-26-000044-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent.htm","primary":true,"translateUrl":"","linkName":"npkq22026investorpresent.htm","type":"EX-99.1","id":"NTFILE4LVvTAAF8h1KP8ED","market":"us","size":49327},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/nr-20260730.htm","primary":false,"translateUrl":"","linkName":"nr-20260730.htm","type":"8-K","id":"NTFILE6Pk2fu62ZkfX32gg","market":"us","size":33638},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent001.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent001.jpg","type":"GRAPHIC","id":"NTFILEHEfV99kvS2xDPCr5","market":"us","size":111060},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent002.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent002.jpg","type":"GRAPHIC","id":"NTFILEHoiaUWLrJBEgnzaa","market":"us","size":276704},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent003.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent003.jpg","type":"GRAPHIC","id":"NTFILE2ow2CXzTrtP4UYmc","market":"us","size":82245},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent004.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent004.jpg","type":"GRAPHIC","id":"NTFILEGuXDvdfBy4yLuBnR","market":"us","size":107959},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent005.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent005.jpg","type":"GRAPHIC","id":"NTFILE2p7htHwHyB8rKmGs","market":"us","size":152888},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent006.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent006.jpg","type":"GRAPHIC","id":"NTFILEFgzpcPmfUZEeTY1M","market":"us","size":175586},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent007.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent007.jpg","type":"GRAPHIC","id":"NTFILEE3EVDG9FRM8r2nwM","market":"us","size":161443},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent008.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent008.jpg","type":"GRAPHIC","id":"NTFILE3zApagxjyvVeU9Mn","market":"us","size":134897},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent009.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent009.jpg","type":"GRAPHIC","id":"NTFILE6pB7hjBfiPetSQmJ","market":"us","size":142377},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent010.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent010.jpg","type":"GRAPHIC","id":"NTFILE5ygwSDzi3EmrABU4","market":"us","size":111607},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent011.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent011.jpg","type":"GRAPHIC","id":"NTFILEC2FD5QQ6e7dBsCkH","market":"us","size":82441},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent012.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent012.jpg","type":"GRAPHIC","id":"NTFILE5VEPi3fFjBsnhgMF","market":"us","size":202902},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent013.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent013.jpg","type":"GRAPHIC","id":"NTFILE6f6THSmzZDrDryU5","market":"us","size":57984},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent014.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent014.jpg","type":"GRAPHIC","id":"NTFILECVQVxL2mbRi9KjHn","market":"us","size":78425},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent015.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent015.jpg","type":"GRAPHIC","id":"NTFILEEscXTESprcKbYMbb","market":"us","size":96251},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent016.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent016.jpg","type":"GRAPHIC","id":"NTFILE87GjLRazHEn4mNAn","market":"us","size":74685},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent017.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent017.jpg","type":"GRAPHIC","id":"NTFILE12EMC23PKSE69hmV","market":"us","size":84411},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent018.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent018.jpg","type":"GRAPHIC","id":"NTFILE9QDsRAerGwobxD3J","market":"us","size":120268},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent019.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent019.jpg","type":"GRAPHIC","id":"NTFILE3FcyoicgeCNsWR3Z","market":"us","size":146601},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent020.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent020.jpg","type":"GRAPHIC","id":"NTFILE9vu9rkkh1pxQAe8E","market":"us","size":101638},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent021.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent021.jpg","type":"GRAPHIC","id":"NTFILEDevvhj78ToNfUFpj","market":"us","size":178362},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent022.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent022.jpg","type":"GRAPHIC","id":"NTFILE5no8tBBJXg6e7qJQ","market":"us","size":78298},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent023.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent023.jpg","type":"GRAPHIC","id":"NTFILEcNqBUCMPc9JwX2uf","market":"us","size":190043},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent024.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent024.jpg","type":"GRAPHIC","id":"NTFILE4zpEgYDkX3Uf5XR2","market":"us","size":109066},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent025.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent025.jpg","type":"GRAPHIC","id":"NTFILE4BqMpKRuR1rbzfrk","market":"us","size":86507},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent026.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent026.jpg","type":"GRAPHIC","id":"NTFILEBbes9SkZBLeQNbvT","market":"us","size":89199},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent027.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent027.jpg","type":"GRAPHIC","id":"NTFILEBMumb2rQjhbfCogq","market":"us","size":107099},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent028.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent028.jpg","type":"GRAPHIC","id":"NTFILE7XsX2Dzn8ZtvuGmW","market":"us","size":104640},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent029.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent029.jpg","type":"GRAPHIC","id":"NTFILE9iPAxsB3QYH2UMta","market":"us","size":115274},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent030.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent030.jpg","type":"GRAPHIC","id":"NTFILECtdtaX6fNZFeUY1m","market":"us","size":100710},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent031.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent031.jpg","type":"GRAPHIC","id":"NTFILE7xYovWxDUKG19Cne","market":"us","size":105592},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent032.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent032.jpg","type":"GRAPHIC","id":"NTFILEGNkWAiccUMPQ1xAz","market":"us","size":99098},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/npkq22026investorpresent033.jpg","primary":false,"translateUrl":"","linkName":"npkq22026investorpresent033.jpg","type":"GRAPHIC","id":"NTFILECptCQLAsQcAm47ok","market":"us","size":95435},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000044/nr-20260730_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260730_g1.jpg","type":"GRAPHIC","id":"NTFILEFi16j4SZ4e4XTVE3","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-07-30 12:00","pubTimestamp":1785384000,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目7.01：法规FD披露；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21554228","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000042-NPKI","pdf_url":"","pub_time":1785384000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPKI","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度报告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/0000071829-26-000042-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/nr-20260630.htm","primary":true,"translateUrl":"","linkName":"nr-20260630.htm","type":"10-Q","id":"NTFILE7dwXRoo1ZjoeLqTw","market":"us","size":835861},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit101.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit101.htm","type":"EX-10.1","id":"NTFILEAMnmTUYXgPcJyUng","market":"us","size":51490},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit102.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit102.htm","type":"EX-10.2","id":"NTFILEVaV3uWVcqVKsTUuh","market":"us","size":84265},{"description":"EX-10.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit103.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit103.htm","type":"EX-10.3","id":"NTFILE6aCRss6r1yMxfLLa","market":"us","size":28496},{"description":"EX-10.4","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit104.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit104.htm","type":"EX-10.4","id":"NTFILEAn7pobLPD5wxdJ2T","market":"us","size":14735},{"description":"EX-19.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit191.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit191.htm","type":"EX-19.1","id":"NTFILEkxeS6GxvjRSmCho8","market":"us","size":73528},{"description":"EX-31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit311.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit311.htm","type":"EX-31.1","id":"NTFILEDDa1MYuMgsUJnm9E","market":"us","size":8474},{"description":"EX-31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit312.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit312.htm","type":"EX-31.2","id":"NTFILE5xD94DzB8DbaHikx","market":"us","size":8488},{"description":"EX-32.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit321.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit321.htm","type":"EX-32.1","id":"NTFILE52vHiwCiUw7dxa5c","market":"us","size":4718},{"description":"EX-32.2","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/a2026q210qexhibit322.htm","primary":false,"translateUrl":"","linkName":"a2026q210qexhibit322.htm","type":"EX-32.2","id":"NTFILE5Y1J1nkxWHZaVfXh","market":"us","size":5046},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/image_0.jpg","primary":false,"translateUrl":"","linkName":"image_0.jpg","type":"GRAPHIC","id":"NTFILE88GBBkfCynRVWRX8","market":"us","size":1180},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000042/nr-20260630_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260630_g1.jpg","type":"GRAPHIC","id":"NTFILEC8JmYmxVz2yEqKA1","market":"us","size":6518}],"type_name":"财务报告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"季度报告","pubTime":"2026-07-30 12:00","pubTimestamp":1785384000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21549512","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000039-NPKI","pdf_url":"","pub_time":1785356943000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0000071829-26-000039-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000039/a2026q28k-erex991.htm","primary":true,"translateUrl":"","linkName":"a2026q28k-erex991.htm","type":"EX-99.1","id":"NTFILE6L1f5qpz35Jb1j2y","market":"us","size":316774},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000039/nr-20260729.htm","primary":false,"translateUrl":"","linkName":"nr-20260729.htm","type":"8-K","id":"NTFILE6y13LnAWSEDgSYcN","market":"us","size":32170},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000039/npklogoa.jpg","primary":false,"translateUrl":"","linkName":"npklogoa.jpg","type":"GRAPHIC","id":"NTFILE8btrGQFsAAfNz3FQ","market":"us","size":6518},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000039/nr-20260729_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260729_g1.jpg","type":"GRAPHIC","id":"NTFILE5HcSDby33CDtjQH5","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-07-30 04:29","pubTimestamp":1785356943,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目2.02：经营业绩和财务状况；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21549506","market":"us","labels":[],"media":"sec.gov","original_id":"AN201238326002914-NPKI","pdf_url":"","pub_time":1785352795000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"NPKI","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"超过5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0002012383-26-002914-index.html","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000201238326002914/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEC2zpXMcywsXN7mPj","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超过5%披露","pubTime":"2026-07-30 03:19","pubTimestamp":1785352795,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21544962","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000036-NPKI","pdf_url":"","pub_time":1785270311000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0000071829-26-000036-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000036/a20268kjuly28exhibit991.htm","primary":true,"translateUrl":"","linkName":"a20268kjuly28exhibit991.htm","type":"EX-99.1","id":"NTFILEGhwqKxwi8dcqSRMN","market":"us","size":6460},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000036/nr-20260728.htm","primary":false,"translateUrl":"","linkName":"nr-20260728.htm","type":"8-K","id":"NTFILEHbQcyRA9bzXS9BCo","market":"us","size":33418},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000036/image_0a.jpg","primary":false,"translateUrl":"","linkName":"image_0a.jpg","type":"GRAPHIC","id":"NTFILEBasB14TeaPQef98H","market":"us","size":4004},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000036/nr-20260728_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260728_g1.jpg","type":"GRAPHIC","id":"NTFILEEMFYfC8ciKRQe633","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-07-29 04:25","pubTimestamp":1785270311,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目5.02：董事或若干高级职员离职；选举董事；某些官员的任命：某些官员的薪酬安排；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21369630","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005775-NPKI","pdf_url":"","pub_time":1780891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000195004726005775/0001950047-26-005775-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726005775/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE8FuNBfCMVHTAJ2pR","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-06-08 12:00","pubTimestamp":1780891200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21352747","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005573-NPKI","pdf_url":"","pub_time":1780459200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000195004726005573/0001950047-26-005573-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726005573/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE64AHxNcxZVkL24Xo","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-06-03 12:00","pubTimestamp":1780459200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21347465","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005493-NPKI","pdf_url":"","pub_time":1780432329000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/0001950047-26-005493-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726005493/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE4e8eD5H8CSH4B2KJ","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-06-03 04:32","pubTimestamp":1780432329,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21290463","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000032-NPKI","pdf_url":"","pub_time":1779249600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000032/0000071829-26-000032-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000032/nr-20260520_g1.jpg","primary":true,"translateUrl":"","linkName":"nr-20260520_g1.jpg","type":"GRAPHIC","id":"NTFILEBE6DcAppt8jhKqAa","market":"us","size":6518},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000032/nr-20260520.htm","primary":false,"translateUrl":"","linkName":"nr-20260520.htm","type":"8-K","id":"NTFILEB9sGz5qLzWNmyBgX","market":"us","size":49174}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-05-20 12:00","pubTimestamp":1779249600,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"项目5.07：将事项提交证券持有人表决；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21269041","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726004613-NPKI","pdf_url":"","pub_time":1778817600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NPKI","title":"Form 144 - Report of proposed sale of securities","titleType":"关联方拟减持公告","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000195004726004613/0001950047-26-004613-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000195004726004613/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEFnWrjc1UzgzJBSbV","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"关联方拟减持公告","pubTime":"2026-05-15 12:00","pubTimestamp":1778817600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21200511","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000030-NPKI","pdf_url":"","pub_time":1777608000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/0000071829-26-000030-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent.htm","primary":true,"translateUrl":"","linkName":"npkq12026investorpresent.htm","type":"EX-99.1","id":"NTFILE2Vbc2ZyjUe2M2xMq","market":"us","size":49050},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/nr-20260501.htm","primary":false,"translateUrl":"","linkName":"nr-20260501.htm","type":"8-K","id":"NTFILEA72LzrRdnpXBNh1F","market":"us","size":33335},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent001.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent001.jpg","type":"GRAPHIC","id":"NTFILEBPhAMQ7KYi9YftUz","market":"us","size":111427},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent002.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent002.jpg","type":"GRAPHIC","id":"NTFILE9VH43VDp8m81uyXL","market":"us","size":277170},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent003.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent003.jpg","type":"GRAPHIC","id":"NTFILE6pBgB5oUmUkigKPo","market":"us","size":82245},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent004.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent004.jpg","type":"GRAPHIC","id":"NTFILECv6zA7UJN34BX3bJ","market":"us","size":108489},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent005.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent005.jpg","type":"GRAPHIC","id":"NTFILEFFLQpDEQjLW5RgaY","market":"us","size":152992},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent006.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent006.jpg","type":"GRAPHIC","id":"NTFILEFaUfrAdeVMDB6RzK","market":"us","size":170821},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent007.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent007.jpg","type":"GRAPHIC","id":"NTFILE21pYsYBrKLZ1GsUA","market":"us","size":157984},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent008.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent008.jpg","type":"GRAPHIC","id":"NTFILEGuMWvDM8HQjCnqcf","market":"us","size":135657},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent009.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent009.jpg","type":"GRAPHIC","id":"NTFILEHsCn5aGhrAwN67vG","market":"us","size":141050},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent010.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent010.jpg","type":"GRAPHIC","id":"NTFILEExRfj9XF7QouS9NN","market":"us","size":111648},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent011.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent011.jpg","type":"GRAPHIC","id":"NTFILE7HdURCoA6oxaZYi5","market":"us","size":82441},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent012.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent012.jpg","type":"GRAPHIC","id":"NTFILExV4V7VUVMaRuXh2u","market":"us","size":205669},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent013.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent013.jpg","type":"GRAPHIC","id":"NTFILE9ybwAKe8PXkAUSSA","market":"us","size":56702},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent014.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent014.jpg","type":"GRAPHIC","id":"NTFILEFJxg8hKozpm7J9J6","market":"us","size":78158},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent015.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent015.jpg","type":"GRAPHIC","id":"NTFILE9gVNAxDtn1H3MGuP","market":"us","size":91656},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent016.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent016.jpg","type":"GRAPHIC","id":"NTFILE4zdsdZWNJ1kbb4g5","market":"us","size":74789},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent017.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent017.jpg","type":"GRAPHIC","id":"NTFILEEKhsZxsQGT3bwh1e","market":"us","size":84411},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent018.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent018.jpg","type":"GRAPHIC","id":"NTFILEAzJ9DjWDS71h7huJ","market":"us","size":120210},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent019.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent019.jpg","type":"GRAPHIC","id":"NTFILEG8K5WeU4N1psuqsT","market":"us","size":145161},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent020.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent020.jpg","type":"GRAPHIC","id":"NTFILEBMMFtrP3eCq8oK4v","market":"us","size":109934},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent021.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent021.jpg","type":"GRAPHIC","id":"NTFILE8EZPUG2dAf7wbmHe","market":"us","size":178371},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent022.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent022.jpg","type":"GRAPHIC","id":"NTFILE6PkdftvMVyLg5SmK","market":"us","size":78298},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent023.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent023.jpg","type":"GRAPHIC","id":"NTFILE4Eg6JBxuDTMkQ9nV","market":"us","size":190023},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent024.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent024.jpg","type":"GRAPHIC","id":"NTFILE8eK54WibaNHFBSmd","market":"us","size":108828},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent025.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent025.jpg","type":"GRAPHIC","id":"NTFILE12jGsiCoQtM2ZBk8","market":"us","size":88506},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent026.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent026.jpg","type":"GRAPHIC","id":"NTFILE5deq49fmPrnQomTG","market":"us","size":98298},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent027.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent027.jpg","type":"GRAPHIC","id":"NTFILEDuwHWBuf7AwvZCAk","market":"us","size":107382},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent028.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent028.jpg","type":"GRAPHIC","id":"NTFILEFFB3cHUviE4kuQTq","market":"us","size":66205},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent029.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent029.jpg","type":"GRAPHIC","id":"NTFILEHTrDrmYpyk5gepzS","market":"us","size":103815},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent030.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent030.jpg","type":"GRAPHIC","id":"NTFILEJDzW8eKpbNbJNQ4f","market":"us","size":62695},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent031.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent031.jpg","type":"GRAPHIC","id":"NTFILEFQxYDb6hZMKBgcX9","market":"us","size":95241},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent032.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent032.jpg","type":"GRAPHIC","id":"NTFILE96b3dygbuUCHrrfU","market":"us","size":104007},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent033.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent033.jpg","type":"GRAPHIC","id":"NTFILEDK9jHxWKKcmbLjWi","market":"us","size":97496},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/npkq12026investorpresent034.jpg","primary":false,"translateUrl":"","linkName":"npkq12026investorpresent034.jpg","type":"GRAPHIC","id":"NTFILE5ZsvXKVUL5BQgwmb","market":"us","size":94919},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000030/nr-20260501_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260501_g1.jpg","type":"GRAPHIC","id":"NTFILEDaZVaX7zimXEgpTG","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-05-01 12:00","pubTimestamp":1777608000,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第7.01项：法规FD披露；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21200471","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000028-NPKI","pdf_url":"","pub_time":1777608000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPKI","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度报告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/0000071829-26-000028-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/nr-20260331.htm","primary":true,"translateUrl":"","linkName":"nr-20260331.htm","type":"10-Q","id":"NTFILEGm83unm8YUj5LKTx","market":"us","size":594679},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/a2026q110qexhibit311.htm","primary":false,"translateUrl":"","linkName":"a2026q110qexhibit311.htm","type":"EX-31.1","id":"NTFILEEjvcNQdXhCqiDURW","market":"us","size":8507},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/a2026q110qexhibit312.htm","primary":false,"translateUrl":"","linkName":"a2026q110qexhibit312.htm","type":"EX-31.2","id":"NTFILE5e5ChNLn84oCJS8H","market":"us","size":8473},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/a2026q110qexhibit321.htm","primary":false,"translateUrl":"","linkName":"a2026q110qexhibit321.htm","type":"EX-32.1","id":"NTFILE5zFYSfQfTc7nBDGR","market":"us","size":4775},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/a2026q110qexhibit322.htm","primary":false,"translateUrl":"","linkName":"a2026q110qexhibit322.htm","type":"EX-32.2","id":"NTFILE2NbpgsTNjzUz4rrY","market":"us","size":5099},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000028/nr-20260331_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260331_g1.jpg","type":"GRAPHIC","id":"NTFILEDp4f16nmAo4JTYKA","market":"us","size":6518}],"type_name":"财务报告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"季度报告","pubTime":"2026-05-01 12:00","pubTimestamp":1777608000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21198857","market":"us","labels":[],"media":"sec.gov","original_id":"AN7182926000026-NPKI","pdf_url":"","pub_time":1777521600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPKI","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000026/0000071829-26-000026-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000026/a2026q18k-erex991.htm","primary":true,"translateUrl":"","linkName":"a2026q18k-erex991.htm","type":"EX-99.1","id":"NTFILE9j4rk931ZTRvjs9E","market":"us","size":251679},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000026/nr-20260430.htm","primary":false,"translateUrl":"","linkName":"nr-20260430.htm","type":"8-K","id":"NTFILE5kR18cspZJ4q9L8M","market":"us","size":31478},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000026/npklogo.jpg","primary":false,"translateUrl":"","linkName":"npklogo.jpg","type":"GRAPHIC","id":"NTFILEAw4HbWrcqxDuSAcA","market":"us","size":6518},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000026/nr-20260430_g1.jpg","primary":false,"translateUrl":"","linkName":"nr-20260430_g1.jpg","type":"GRAPHIC","id":"NTFILE3aQ9ZW2Cepjy4VGM","market":"us","size":6518}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2026-04-30 12:00","pubTimestamp":1777521600,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02项：经营业绩和财务状况；项目9.01：财务报表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20980712","market":"us","labels":[],"media":"sec.gov","original_id":"AN35420426000567-NPKI","pdf_url":"","pub_time":1775707200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"NPKI","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"超过5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/71829/000035420426000567/0000354204-26-000567-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/71829/000035420426000567/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEHu9UfpgsYM8KV4aa","market":"us","size":0}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超过5%披露","pubTime":"2026-04-09 12:00","pubTimestamp":1775707200,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":4,"pageCount":1,"totalSize":61,"code":"91000000","status":"200"}]}}