Profile: Shanghai Mayao Chemical Technology Co., Ltd. is a producer of pharmaceutical intermediates and bio-chemicals. Our product line includes hydrocinnamic acid, hydrocinnamic acid methyl ester, hydrocinnamoyl chloride, 4-chromanone, 5-chlorovaleryl chloride, 3-bromopropylamine hydrobromide, 3-chloropropylamine hydrochloride, cyclohexanecarboxylic acid, 1,2-benzenedicarboxaldehyde and 1,5-difluoro-2,4-dinitrobenzene. We also offer phenylacetylchloride, 3-bromobenzotrifluoride, dimethylsulphone, 2,3-dimercapto succinic acid, 2-chloro-2-bromoacetophenone and 3-methyl-2-oxopentanoic acid calcium salt dihydrate.