Propylene Glycol, Potassium Formate, Calcium Formate manufacturer / supplier in China, offering Tech Grade CAS110-98-5 Dipropylene Glycol DPG for Fragrance Perfume Cosmetics, 99% Min High Grade for Export Butanediol/Butane-1, 3-Diol/1, 3 Butanediol Glycol, Colorless Liquid 99%Min in Versatile Packaging 1.3-Butanediol for Various Uses and so on.