关于重大资产重组，多家A股公司公告

Group 1 - Multiple A-share listed companies announced important updates regarding mergers and acquisitions on December 30 [1] - Zhongneng Electric announced the termination of its plan to acquire 65% equity of Shandong Dachai Electric Co., Ltd. and the related debt transfer [1] - Dongjie Intelligent decided to terminate its plan to acquire the controlling stake in Aobo (Beijing) Intelligent Technology Co., Ltd. and will resume trading on December 31 [1] - Mingde Biological plans to acquire 100% equity of Wuhan Bikaier Rescue Supplies Co., Ltd. in cash, which is expected to constitute a major asset restructuring [1] Group 2 - Yanhai Co., a leader in lithium extraction from salt lakes, announced a cash acquisition of 51% equity in Wenkou Salt Lake Co., Ltd. from its controlling shareholder, China Salt Lake Industrial Group, for 4.605 billion yuan [1][2] - Upon completion of the transaction, Wenkou Salt Lake will become a subsidiary of Yanhai Co. and will be included in the consolidated financial statements [1] - Wenkou Salt Lake's main products include lithium carbonate, lithium phosphate, lithium hydroxide, and potassium chloride, with established production capacities of 15,000 tons/year for lithium carbonate, 200 tons/year for lithium phosphate, 100 tons/year for lithium hydroxide, and 300,000 tons/year for potassium fertilizer [1]