... beautiful seaside city ,which engages in the manufacturing and marketing of Sodium sulfate , Cryolite , Soda ash , Edible alkali, Polyaluminium Chloride ... and technical developers specializing in the research of those chemicals.With the consistent quality ,reliable technical performance and competitive price,gains ... As) 3ppm MaxFluoride (as F) 0.005% Max Price of Trisodium Phosphate96%--High Quality