Gejiu Baoshuo Chemical Building materials Co.,Ltd was founded in 2003, basic on for years production experience on phosphoric acid and phosphates, and keep closed space with the technical improvement of domestic phosphorus chemicals. It makes great use of the resources of phosphates rock in Yunnan province, China. We mainly engage in the field of yellow phosphorus,phosphoric acid 85% food and tech grade, DCP and MDCP both for tech and food grade, and MAP in food and tech grade. We obtained good reputation for our products and service both at home and abroad.