Cosmetic Raw Materials, Surfactant, Organic Chemicals manufacturer / supplier in China, offering Paper Sizing Agent Alkyl Ketene Dimer AKD Wax CAS 144245-85-2, Alkyl Ketene Dimer AKD Wax CAS 144245-85-2 for Paper Making, Industrial Grade 99% Sodium Bisulfite Powder CAS 7631-90-5 and so on.