Calcium Chloride, Sodium Bicarbonate, Ammonium Bicarbonate manufacturer / supplier in China, offering White /Light Yellow Powder 26% 28% 31% PAC Flocculant Polyacrylamide Food/Tech Grade Poly Aluminum Chloride PAC for Drinking Water/Wastewater Treatment, 28% PAC Poly Aluminum Chloride for Industry Water Treatment CAS 1327-41-9, Swimming Pool pH Adjusting Agent Sodium Carbonate Powder Soda Ash and so on.