Soda Ash, Ascorbic Acid, Sodium Bicarbonate manufacturer / supplier in China, offering Industry Grade China Manufacturer CAS: 6192-52-5 PARA Toluene Sulfonic Acid (PTSA), Industry Grade Basic Chemical CAS: 7447-40-7 Potassium Chloride, Inorganic Chemicals Best Rock Salt Sodium Chloride Cheap Snow Melting Salt and so on.