Methylene Chloride, Aniline, Dimethyl Formamide manufacturer / supplier in China, offering Industrial Grade CH2cl2 Supplier 75-09-2 Dcm Methylene Chloride for Dye, Methylene Chloride CAS No.: 75-09-2 Purity 99.9% for Chemical Intermediate, Purity 99.9% Aniline CAS 62-53-3 for Synthetic Dye Industry and so on.