Soda Ash, Ascorbic Acid, Sodium Bicarbonate manufacturer / supplier in China, offering China Factory Direct Supply Builder Lime Calcium Hydroxide for Sewage Treatment, New Generation Food Grade Preservatives Sodium Diacetate Potassium Acetate CAS: 127-09-3 White Powder Sodium Acetate Anhydrous, Industry Grade CAS: 7681-57-4 Sodium Pyrosulfite Sodium Metabisulfite for Printing and Dyeing and so on.