关于重大资产重组，多家A股公司公告

Group 1 - The core viewpoint of the article highlights significant developments in mergers and acquisitions among A-share listed companies, including terminations and new acquisitions [1][2] - Zhongneng Electric announced the termination of its plan to acquire 65% equity of Shandong Dachai Electric Co., along with the associated debt claims [1] - Dongjie Intelligent decided to terminate its plan to acquire the controlling stake in Aobo (Beijing) Intelligent Technology Co., with its stock resuming trading on December 31 [1] - Mindray Bio announced a cash acquisition of 100% equity in Wuhan Bikaier Rescue Supplies Co., which is expected to constitute a major asset restructuring [1] Group 2 - In the A-share new energy sector, Yanhai Lithium, a leading company, announced a cash acquisition of 51% equity in Wukuang Salt Lake Co. from its controlling shareholder, China Salt Lake Industrial Group, for 4.605 billion yuan [1][2] - Upon completion of the transaction, Wukuang Salt Lake will become a subsidiary of Yanhai Lithium and will be included in the consolidated financial statements [1] - Wukuang 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, 2,000 tons/year for lithium phosphate, 1,000 tons/year for lithium hydroxide, and 300,000 tons/year for potassium fertilizer [1]