Citric Acid, Xanthan Gum, Vitamin C Ascorbic Acid manufacturer / supplier in China, offering Manufacturer Supply CAS 57-55-6 Tech Grade 99.5% Purity Propylene Glycol, Cationic Polymer Anionic Polymer Polyacrylamide (PAM) Polyelectrolyte for Water Treatment Polyacrylamide, Glycerol 99.5% 99.7% Glycerin Glycerine Glycerol 99.7% Food Grade/Cosmetic Grade/USP Grade for Moisturizer Glycerin and so on.