Propylene Glycol, Potassium Formate, Calcium Formate manufacturer / supplier in China, offering Purified Isophthalic Acid /Pia/Isophthalic Acid for Global Customers, Printing and Dyeing Sodium Formate 92% 95% 98%, Butanediol/Butane-1, 3-Diol/1, 3 Butanediol Glycol to Moisturize The Skin and so on.