Changzhou chenqiang chemical.,ltd is a famous enterprise of foreign trade department of Changzhou,and was awarded the independence right of import and export from the department of national foreign trade in Feb,1998. The chemical research institute of the plant has co-oper-ated in turn with its counterparts in Shanghai , Shenyang and Beijing.The annual outputs of 2,6-dichloro cyanophenyl is 150 T, and the annual outputs of 2,6-dichloro benzald-ehyde is 250 T, and our products have advanced craft...