Chemical, Reagents manufacturer / supplier in China, offering High Quality Glycerol Glycerine C3h8o3 99.7% 99.9% Refined USP/Food/Cosmetic Grade Moisturizer C3h8o3 CAS 56-81-5, Battery Materials Teta 112-24-@, Materials Amino Acid L-Leucine CAS 61-90-5 and so on.