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Group 1 - Tian Sheng New Material announced that its largest shareholder, Wu Haizhou, is planning a significant matter that may lead to a change in the company's control [3] - As of the announcement date, Wu Haizhou holds 25.42 million shares, accounting for 7.80% of the total share capital [3] - For the first three quarters of 2025, the company reported revenue of 334 million yuan, a year-on-year decrease of 16.71%, and a net profit attributable to shareholders of 83.12 million yuan, a year-on-year decrease of 1093.28% [3] Group 2 - Hui Bo Pu announced that its controlling shareholder, Changsha Water Industry Group Co., Ltd., is planning a share transfer that may result in a change of the controlling shareholder and actual controller [4] - The share transfer involves a percentage of 25%-30% of the total share capital and the counterparty is a state-owned enterprise in the mechanical equipment industry [4] - For the first three quarters of 2025, Hui Bo Pu reported revenue of 1.608 billion yuan, a year-on-year decrease of 0.17%, and a net profit attributable to shareholders of 10.53 million yuan, a year-on-year increase of 113.73% [5]