海正生材股价下跌1.30% 公司完成董事变更与制度修订

Group 1 - The core viewpoint of the article highlights the recent performance and governance changes of Haizheng Biomaterials, including a slight decline in stock price and a new board member appointment [1] - On July 31, Haizheng Biomaterials closed at 12.12 yuan, down 0.16 yuan, representing a decline of 1.30% from the previous trading day [1] - The trading volume on the same day was 27,331 lots, with a transaction amount of 0.33 billion yuan and a price fluctuation of 2.85% [1] Group 2 - The company operates in the chemical fiber industry, focusing on the research, production, and sales of bio-based materials, which are primarily used in packaging, textiles, and medical fields [1] - In the first quarter of 2025, the company reported revenue of 2.05 million yuan and a net profit of 0.23 million yuan [1] - On July 31, the company announced that the second extraordinary general meeting of 2025 approved the proposal to amend certain corporate governance systems [1] - Additionally, the company reported that director Zhang Jiaying resigned due to personnel adjustments, and Ye Haiyan was elected as the employee representative director [1] - On the same day, the net outflow of main funds was 1.2583 million yuan, accounting for 0.09% of the circulating market value [1]