Group 1 - Company announced a board meeting on April 29, 2025, to discuss replacing dividends with share buybacks [1] - The top ten unrestricted shareholders hold approximately 318 million shares, accounting for 64.26% of total shares [1] - In 2024, the revenue composition of the company is 97.34% from chemical machinery and equipment manufacturing, and 2.66% from engineering and technical services [1] Group 2 - The company's market capitalization is currently 3.6 billion yuan [2]