海正生材最新公告：股东中石化资本拟减持不超1%股份

Group 1 - The core point of the article is that Sinopec Capital, a shareholder holding more than 5% of Haizheng Biomaterials (688203.SH), plans to reduce its holdings by up to 202.67 million shares, which represents no more than 1% of the company's total share capital [1] Group 2 - The planned reduction will take place from March 17, 2026, to June 16, 2026, through centralized bidding transactions [1] - The shares to be reduced are sourced from those acquired prior to the company's initial public offering [1]