格隆汇6月30日丨安徽皖通高速公路(00995.HK)发布公告,于2025年6月30日,公司及公司附属公司与设计总院、交控工程及交控道路养护组成的联合体签订下列交安设施改造提升设计施工总承包协议:根据总承包协议一,宁宣杭公司委托联合体就宁宣杭公司所辖路段的交安设施调整及精细化提升工程项目提供设计及施工总承包服务,包括标线施划、护栏等级提升、中分带开口护栏等级提升、百米牌更换、桥梁反光板更换、防眩屏...
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