Yunnan Sanhuan Sinochem Cargill Fertilizer Co., Ltd. was formally established and put into operation in May 20001year. Located in Haikou Town, Xishan District, Kunming City, Yunnan Province, it is mainly engaged in the production and sales of diammonium phosphate. The designed capacity of diammonium phosphate is 600,000 tons, and it is one of the largest diammonium phosphate producers in China.