Yunnan Tianyao Chemical Co., Ltd. is a company , affiliated to Yuntianhua group, specialized in the research, manufacture and distribution of fine phosphorus chemical products including Polyphosphoric Acid (PPA), food & technical grade Phosphoric Acid , Ammonium Polyphosphate (APP) and other organic phosphorus based products. With the knowledge and technical supports from Yunnan Chemical Research Institute, which affiliated to Yuntianhua group as well, Tianyao has successfully used the "Thermal Polyphosphoric Acid Technology" to build a plant with the capability of 11,000 MT/year of PPA, 10,000 MT/year of food grade PA, 5,000 MT/year of high quality flame retardant APP and 20,000 MT/year of fully water soluble APP for agricultural use based on the National 863 Science Programme. We have possessed advanced equipment, first-class technology and high automation levels. Consistently, we always focus on creating value for customers and continue to develop innovative technology and improve service to address specific customer applications, and have won a great reputation from customers both in China and abroad. Nowadays, we have become one of the largest suppliers of Polyphosphoric Acid with the high quality in the world and cover a broad range of applications including catalysts for petrochemical industry, pharmacy, flame retardant, pigment, and other fine chemistry industries. Meanwhile, Ammonium Polyphosphate also acts as high quality flame retardant in coatings, textiles and plastic industries. As a leading company for fine phosphorus chemical development in Yuntianhua group, We are always advocating environmental conservation. We will remain committed to developing environmental friendly phosphorus based products to create safety, reliability, sustainable development and added value for our customers, partners and suppliers.