Chemical Products manufacturer / supplier in China, offering Sodium Acid Pyrophosphate Sapp Powder Food Grade Food Additives / CAS No 7758-16-9, Good Quality SHMP/Sodium Hexametaphosphate/Sodium Polyphosphates CAS 10124-56-8, Food Additives Tetrasodium Pyrophosphate Tspp Tetrasodium Phosphate CAS 7722-88-5 and so on.