Group 1 - The company, Qianjiang Yong'an Pharmaceutical Co., Ltd., announced that its actual controller and chairman, Chen Yong, is under investigation and has been detained, leading to a stock price drop and a total market value of 3.424 billion yuan [1] - The company was listed in March 2010 and primarily engages in the research, production, and sales of taurine products, epoxy ethane, and health-related products, as well as investments in the health sector [2] - The company's revenue for the years 2022, 2023, 2024, and the first quarter of 2025 was 1.46245 billion yuan, 972.89 million yuan, 838.81 million yuan, and 171.15 million yuan respectively, with net profit attributable to the parent company showing fluctuations [2] Group 2 - Chen Yong, born in January 1959, is currently 66 years old and received a salary of 2.5741 million yuan for the year 2024 [2] - As of March 31, 2025, Chen Yong directly holds 21.54% of the company's shares, with a market value of 737.5 million yuan [2]