ZHENGZHOU HOO CHEMTEC CO.LTD which is specialized in manufacturing and exporting chemicals raw materials for water treatment.And we have more than 10 years.Our products include PAC Poly aluminium chloride, PAM Polyacrylamide, Calcium Chloride, Ferric Chloride, Aluminium Sulphate,EDTA acid(Trilon B),EDTA 2na,EDTA 4na,ATMP, HEDP(etidronic acid), Silica gel,Ferrous sulfate,Caustic soda,Soda ash,Super Absorbent polymer,PAFC, TCCA Trichloroisocyanuric acid, SDIC Sodium Dichloroisocyanurate,Calcium hypochlorie,Sodium Alginate,Sodium Pyrophosphate,Sodium Hexametaphosphate SHMP,STPP Sodium TripolyphosphateExchange Resin, Sodium Formate, etc