According to official website, Yunnan Yuntianhua Co., Ltd. and Yunnan Yuntianhua Co., Ltd. are large state-owned listed companies with phosphorus industry as the core. They are phosphate fertilizer, nitrogen fertilizer and paraformaldehyde producers with resource advantages, mainly engaged in chemical fertilizer and modern agriculture, phosphate mining and phosphorus chemical industry, new organic materials, business and manufacturing services, and are committed to providing high-quality and safe products and value-added services for global agriculture, industry and food.