Mianyang Shenlong Feedstuff Co.,ltd,established in 2002,with the acre of more than 170,000©O cement retarder building materials as well as import and export . Our company possess the mine reach to 50 million tons and annual output is 1 million tons;Cement retarder output reach to 300,000 tons,the phosphorous products(including calcium phosphate,sodium phosphate,potassium phosphate)reach to 130,000MT.