Adipic Acid, Propylene Glycol, Maleic Anhydride manufacturer / supplier in China, offering Ma (MALEIC ANHYDRIDE) CAS 108-31-6 C4H2O3 Molten Colour 25max, Ma (MALEIC ANHYDRIDE) CAS 108-31-6 C4H2O3, Propylene Glycol Monomethyl Ether (PM) CAS 107-98-2 C18h34o2 Solvent for Nitrocellulose, Alkyd Resinand Maleic Anhydride Modified Phenolic Resin and so on.