Citric Acid, Xanthan Gum, Vitamin C Ascorbic Acid manufacturer / supplier in China, offering High Quality Fufeng 80 Mesh Food Grade Oil Grade Xanthan Gum, Factory Supply Sodium Sulfate Anhydrous 99% CAS 7757-82-6 for Sewage Purification, Industrial Grade 99%Min High Purity Sodium Sulphate Anhydrous pH6~8/Vssa/Ssa and so on.