大洋生物跌2.08%，成交额4552.52万元，主力资金净流出246.32万元

Company Overview - Zhejiang Dayang Biological Technology Group Co., Ltd. is located in Hangzhou, Zhejiang Province, and was established on January 1, 1976. The company was listed on October 26, 2020. Its main business involves the production and sales of chemical raw materials, including inorganic salts and veterinary raw materials [2]. Financial Performance - As of June 30, the company reported a revenue of 499 million yuan for the first half of 2025, representing a year-on-year growth of 14.20%. The net profit attributable to the parent company was 50.51 million yuan, showing a significant increase of 60.66% year-on-year [2]. - The company has distributed a total of 168 million yuan in dividends since its A-share listing, with 97.57 million yuan distributed over the past three years [3]. Stock Performance - Year-to-date, the stock price of Dayang Biological has increased by 79.60%. However, it has experienced a decline of 4.05% over the last five trading days and 5.43% over the last 20 days. In contrast, the stock has risen by 29.06% over the past 60 days [2]. - As of September 22, the stock price was 32.91 yuan per share, with a market capitalization of 2.764 billion yuan. The trading volume was 45.52 million yuan, with a turnover rate of 1.97% [1]. Shareholder Information - As of June 30, the number of shareholders increased to 14,200, reflecting a growth of 58.33%. The average number of circulating shares per shareholder decreased by 35.82% to 4,954 shares [2]. Business Segmentation - The company's main business revenue composition includes: 69.91% from inorganic salt products, 18.35% from veterinary raw materials, 7.46% from fluorine chemical products, and 4.28% from other products [2]. - Dayang Biological is classified under the Shenwan industry as basic chemicals - chemical raw materials - inorganic salts, and is associated with concepts such as fertilizers, biopesticides, fluorine chemicals, share buybacks, and synthetic biology [2].