Core Viewpoint - Hainan Development (002163) announced the decision to fully cease operations at its subsidiary, Haikong Sanxin (Bengbu) New Energy Materials Co., Ltd., by the end of September 2025 to reduce operational costs and avoid further losses [1] Group 1 - The subsidiary, Haikong Sanxin, specializes in the production and sales of ultra-white solar glass and deep-processed glass, with Hainan Development holding a 74.84% stake in it [1] - Following the complete shutdown, the company plans to apply for bankruptcy liquidation of Haikong Sanxin to alleviate operational burdens [1] - The full cessation of operations will not impact the normal conduct of the company's existing main business and will not trigger any delisting risk warnings as per the Shenzhen Stock Exchange's listing rules [1]