Qingshuiyuan (300437.SZ): The company's phosphorus trichloride products are mainly used in the production of the company's water treatment agents.

Wisdom Finance APP News, Qingshuiyuan (300437.SZ) announced in a stock price abnormality announcement that the company's main business includes the production, research and development, and sales of water treatment agents and derivatives; industrial water treatment services and environmental protection engineering construction services. The company's main products include organic phosphine products and polymer products, mainly used in industrial water treatment. According to the 2024 annual report, the proportion of the company's operating income from water treatment agents and derivatives is 80.55%. As of now, the company's main business has not undergone any major changes.