Group 1 - Company announced a share buyback of approximately 1.76 million shares, representing 0.29% of the total share capital, with a total expenditure of about 40.14 million yuan [1] - The highest transaction price during the buyback was 23.9 yuan per share, while the lowest was 22 yuan per share [1] - As of the report date, the company's market capitalization is 18.9 billion yuan [1] Group 2 - For the first half of 2025, the company's revenue composition is 93.07% from the chemical industry and 6.93% from phosphate rock mining [1]