Calcium Chloride, Sodium Bicarbonate, Ammonium Bicarbonate manufacturer / supplier in China, offering 97% Na2s2o5 Salt Food Grade Sodium Metabisulfite 7681-57-4 as Preservative, Food/Industry Grade Smbs 97% Sodium Metabisulphite for Mineral Processing/Leather, Weifang Bulk Ttca Anhydrous/Monohydrate Citric Acid for Preventing Bacterial Swelling and so on.