... engages in the manufacturing and marketing of Sodium sulfate , Cryolite , Soda ash , Edible alkali, Polyaluminium Chloride, Polyacrylamide, Polyaluminium Ferric Chloride ... of those chemicals.With the consistent quality ,reliable technical performance and competitive price,gains high praise by domestic and international ... 3ppm MaxFluoride (as F) 0.005% Max Trisodium Phosphate99%--High Quality Chemicals