we are a manufacturer of chemical intermediates, chemical addictives and auxiliarys.such as: CAS No.111-19-3Sebacoyl Chloride23220-52-2meso-2, 3-Diaminosuccinic acid110-18-9N, N, N', N'-Tetramethylethylenediamine110-70-3N, N'-Dimethylethylenediamine 3030-47-51, 1, 4, 7, 7-Pentamethyldiethylenetriamine 108-43-03-Chlorophenol 80-73-91, 3-Dimethyl-2-imidazolidinone1852-16-0N-(butoxymethyl)acrylamide37721-71-42, 4, 6-Tribromophenyl methacrylate19485-03-11, 3-Butanediol diacrylate 89-01-0Pyrazine-2, 3-dicarboxylic acid 527-76-44-Amino-2-sulfobenzoic acid 552-23-82-Nitro-4-sulfobenzoic acid5344-48-94-Nitro-2-sulfobenzoic acid121-47-1Metanilic acid95-23-85-Aminobenzoimidazolone1740-54-1Sebacamide1189-08-81, 3-Butylene glycol Dimethacrylate1070-70-81, 4-Butylene glycol diacrylate2082-81-71, 4-Butanediol dimethacrylate 3971-29-71, 2-Cyclohexanedimethanol 3971-28-61, 3-Cyclohexanedimethanol26680-54-6Octenylsuccinic anhydride25377-73-5 Dodecenyl succinic anhydride29658-97-7Dodecenyl succinic acid 2561-85-5n-Dodecylsuccinic anhydride352-87-42, 2, 2-Trifluoroethyl methacrylate 407-47-62, 2, 2-Trifluoroethyl acrylate 924-42-5N-methylolacrylamide101-43-9Cyclohexyl methacrylateCAS 80-4-6Hydrogenated Bisphenol-A12224-06-5Fluorescent brightener 8516090-02-1Fluorescent brightener 71 16470-24-9Fluorescent brightener 220 1325-37-7Direct Yellow 11