Donghai Taiyi Fine Chemical Co., Ltd. was founded in February 2004, it is situated in Nancheng Industrial Park, Donghai County, Lianyungang City, Jiangsu. It is a new pharmaceutical chemical enterprise engaged in research, development, production and sales. The company mainly engages in producing pharmaceutical APIs and pharmaceutical intermediates, main products are main parts of imipenem, meropenem, biapenem, ertapenem and other APIs; b-lactam monocyclic ring, various side chains and side rings for carbapenem main ring, synthetic main ring, including: 4-nitrobenzyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate; MVP, 2S CIS PNB(SIDE CHAIN)2S-CIS, meropenem intermediate; diphenyl chlorophosphate; 3-(2-Bromo-1-oxopropyl)-spiro[2H-1,3-benzoxazine-2,1'-cyclohexan]-4(3H)-one; 4-Nitrobenzyl alcohol; 4-Nitrobenzyl 2-diazoacetoacetate; malonicacidmononitrobenzylester, etc. 
      Taking technological innovation as guide, standard operation as basis, Donghai Taiyi Fine Chemical Industry becomes a new-model pharmaceutical chemical enterprise. The company adheres to the spirit of "customer top, quality first, observing contract, valuing credit", insists on the policy of "surviving on quality, developing by credit", sticking to the principle of "mutual benefit, sharing benefit". We are ready to cooperate with clients and merchants at home and abroad for common development.