Group 1 - Tian Sheng New Materials (300169) announced that its largest shareholder, Wu Haizhou, is planning a significant matter that may lead to a change in company control [3] - The company is a well-known manufacturer of polymer materials, leading in the market for polymer foaming materials and functional application products [3] - Tian Sheng New Materials' functional components include products such as interior mats, ceilings, and insulation cotton for engineering vehicles, which have sound absorption, insulation, cushioning, and shock absorption functions [3] Group 2 - In the first three quarters of 2025, Tian Sheng New Materials achieved operating revenue of 334 million yuan, a year-on-year decrease of 16.71%, and reported a net loss attributable to shareholders of 83.12 million yuan [4] - The latest total market value of Tian Sheng New Materials is 2.129 billion yuan [4] - Huibo Pu announced that its controlling shareholder, Changsha Water Industry Group, is planning a share transfer that may lead to changes in the controlling shareholder and actual controller [4] - The share transfer involves a stake of 25% to 30% of the total share capital and is subject to prior approval from relevant authorities [4] Group 3 - Huibo Pu is an international provider of comprehensive solutions for oil and gas resource development and utilization, focusing on efficient and clean energy production methods [6] - In the first three quarters of 2025, Huibo Pu achieved operating revenue of 1.608 billion yuan, remaining stable compared to the same period last year, and reported a net profit of 10.53 million yuan, an increase of 113.73% year-on-year [6] - The latest total market value of Huibo Pu is 4.735 billion yuan [6]