Sichuan Chuanheng Chemical Corporation(Chuanheng Corporation) which is located in Shifang that is known as "Bright Pearl of Western Sichuan�����ossessed two provincial enterprise technology centers, and was committed to the phos-rock exploitation and intensive processing of phosphorus for more than 10 years. Chuanheng Corporation has annual production capacity of 600,000 tons(including 300,000tons per year of calcium phosphates, 200,000tons per year of ammonium phosphates, 50,000tons per year of potassium phosphates, and 50,000tons per year of other phosphates).There has been several series phosphates, including potassium, sodium, ammonium, calcium covering the fileds of fertilizer grade, feed grade, industrial grade,and food grade phosphates in the company, the products involve the three fields, including animal nutrition, plant nutrition, and fine chemicals. if you have any interesting those products, welcome asking for me at any time.tracy-yjz(at)hotmail(dot)com