Calcium Chloride, Sodium Bicarbonate, Ammonium Bicarbonate manufacturer / supplier in China, offering Pdcl2/Cacl2 Calcium Chloride Anhydrous 94% Industrial Grade for Refrigerating Fluid, Food Grade Citric Acid Anhydrous Citric Acid CAS 77-92-9 Ensign, Sodium Carbonate Price High Quality Heavy Soda Ash for Glass Making and so on.