Calcium Chloride, Sodium Bicarbonate, Ammonium Bicarbonate manufacturer / supplier in China, offering 28% PAC Poly Aluminum Chloride for Industry Water Treatment CAS 1327-41-9, Swimming Pool pH Adjusting Agent Sodium Carbonate Powder Soda Ash, Ggg Brand 99.2% Industry Grade Sodium Carbonate Sad/Sal for Neutralizing Agent and so on.