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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, PEO, PAFC, PAM, PFS, ATMP, HEDP, STPP, SHMP, HPAA, PBTCA, TCCA, SDIC, EDTA, SILICA GEL, Calcium Chloride, Aluminium Sulphate, Ferric Chloride, Ferrous Sulphate, Sodium Alginate, Xantan Gum, Sodium Pyrophosphate, Sodium Silicate, Exchangr Resin, Sodium Formate etc