Fasheng clarified that its business does not involve "special optical fibers" or "optical fibers," and there is no situation of "reorganization" or "backdoor listing."

Share Reduction and Buybacks: Jucen Optoelectronics (688123.SH) announced that its shareholder, Beijing Luojia Tianhao Investment Center (Limited Partnership), plans to reduce its holdings due to LP capital requirements. From April 7, 2026, to July 6, 2026, it intends to sell up to 2.5442 million shares via block trades, representing no more than 1.61% of the total share capital, and up to 1.58 million shares via centralized bidding, representing no more than 1% of the total share capital. Qingniao Fire Protection (002960.SZ) plans to use its own funds and raised capital to repurchase shares through centralized bidding, with a price not exceeding RMB 16.00 per share. The number of shares to be repurchased is no less than 21.9952 million shares (2.5% of total share capital) and no more than 43.9904 million shares (5% of total share capital). The repurchased shares will be used for employee stock ownership plans or equity incentives. The company and its subsidiaries also plan to use up to RMB 1.3 billion in idle own funds for entrusted wealth management.

Trading Volatility Announcements: Yuhuan CNC Machine Tool (002903.SZ) stated that it primarily engages in the R&D, production, sales, and service of CNC grinding and broaching equipment. In 2025, its products were not applied in the commercial aerospace sector, nor were they directly used in the aerospace field. Revenue indirectly related to the aerospace sector accounted for less than 5% of total operating revenue, representing a small proportion with minimal impact on the company's performance. Dajin Heavy Industry (002487.SZ) announced that the recent tariff adjustment policy announced by the UK government has no impact on the tariff rates for its relevant export products. The UK government declared that from April 1, 2026, it will cancel import tariffs on 33 wind power components. Products such as wind turbine towers and pipe piles previously exported to the UK by the company were already exempt from tariffs, and the new policy will not affect future tariff payments for its products. Fasheng (000890.SZ) reiterated that its business does not involve "special optical fibers" or "optical fibers," and there is no situation of "reorganization" or "backdoor listing." The online rumors mentioning Jiangsu Fasheng Optical Communication Technology Co., Ltd. and Jiangsu Fasheng Optoelectronics Technology Co., Ltd. refer to subsidiaries of its controlling shareholder. These entities have no equity relationship or business dealings with the listed company. As of the announcement date, the company has no plans to reorganize these two enterprises. Zhaochi Co., Ltd. (002429.SZ) noted the market's high attention on MicroLED-related concepts. The company's main business remains unchanged. Applications of MicroLED in expanded fields such as optical communication are currently in the sample validation and testing stage and are not expected to have a substantive impact on operating performance in the short term. As strategic emerging businesses, the laser chip project and high-speed optical module project are in the initial phase of steady production advancement, with capacity ramp-up and market expansion requiring a certain period. In the first half of 2025, the company's optical communication business generated revenue of RMB 309 million, accounting for less than 5% of the total operating revenue of RMB 8.483 billion for the same period, indicating a relatively small business scale. As this business is in its early development stage with a low revenue proportion, its future growth will be influenced by multiple factors including industry technological iterations, competitive market landscape, and industry chain coordination, carrying certain uncertainties.

Change of Control: Zhejiang Busen Garments Co.,Ltd. (002569.SZ) disclosed that its controlling shareholder, Fangwei Tongchuang, is planning a major matter that may lead to a change in the company's control. Upon application to the Shenzhen Stock Exchange, the company's shares will be suspended from trading starting Monday, March 16, 2026, with an expected suspension period of no more than two trading days.

Mergers and Acquisitions: Metro Land Corporation Ltd. (600683.SH) plans to transfer assets and liabilities related to its real estate development business to its controlling shareholder, Metro Land Company, using a cash payment method. This transaction does not involve share issuance, will not affect the company's equity structure, and will not result in a change of controlling shareholder. The matter is expected to constitute a significant asset reorganization. Sansure Biotech (688289.SH) intends to jointly invest with its affiliate, Hunan Jin Furong Sansure Biotech Equity Investment Fund Partnership, to establish Hunan Sunwills Biotech Co., Ltd., which will serve as the investment vehicle for the subsequent acquisition of 100% equity in Wasuwei Microbiotech (Shenzhen) Co., Ltd. The company will contribute RMB 65.438 million from its own funds. Upon completion of the transaction, both the joint venture company and Wasuwei Microbiotech will be included in the company's consolidated financial statements. Wasuwei Microbiotech is an enterprise engaged in the R&D, production, and sale of in vitro diagnostic reagents and supporting instruments for human and animal use, based on its proprietary infrared fluorescence enhancement technology.

Annual Reports: Lutianhua Co., Ltd. (000912.SZ) reported 2025 operating revenue of RMB 4.495 billion, a year-on-year decrease of 11.34%, and net profit attributable to shareholders of the listed company of RMB 31.7872 million, a year-on-year increase of 50.23%. The company plans to use up to RMB 1 billion in idle own funds to purchase low-to-medium risk wealth management products. Shantui Construction Machinery Co., Ltd. (000680.SZ) achieved 2025 operating revenue of RMB 14.62 billion, a year-on-year increase of 2.82%, and a net profit of RMB 1.211 billion, a year-on-year increase of 9.86%.