Water Treatment Chemicals, Flame Retardant, Plasticizer manufacturer / supplier in China, offering 4- (N-Ethyl-N-2-hydroxyethyl) -2-Methylphenylenediamine Sulfate for Rubber Vulcanization Accelerator CAS 25646-77-9 for Rubber Anti-Aging Agent, P-Toluic Acid for Dyes and Pigments CAS 99-94-5 for Azo Dye Coupling Agent, 4-Hydroxybenzoic Acid for Cosmetic Preservative CAS 99-96-7 for Food Preservative and so on.