Mianyang Aostar Phosphorus Chemical Industry Co. is one of the biggest manufacture to produce yellow phosphorus, Phosphoric acid and phosphate products etc in China. The company occupied 200 hectare in the science city -Mianyang where is convenient transportation and the abundant phosphoric rock. The company own over 500 employees among 180 technologists. Mianyang Aostar Phosphorus Chemical Industry Co., Ltd has the net value of fixed assets over USD 10 million; the annual output value is USD25 Million, producing tax profit about USD3 million. The company is engaged in producing phosphate products and the production capacity of per year 30,000 tons of yellow phosphorus, 60,000 tons of phosphoric acid for technical grade. 20,000 tons of Monoammonium phosphate (MAP) for technical grade and 10,000 tons for food grade.10,000 tons of Diammonium phosphate (DAP) for technical grade .10,000 tons of Monopotassium phosphate (MKP) for technical grade and 5,000 tons for food grade. 15,000 tons of sodium Hexametaphosphate (SHMP) for technical grade and 5,000 tons for food grade, 10,000 tons of Sodium Tripolyphosphate (STPP), 15000 tons of High-class Pentsulfidephosphate, 5000 tons of Urea Phosphate (UAP), 10,000 tons of Trisodium Phosphate (TSP), 5000 tons of Sodium Acidic Pyrophosphate for food grade.