Chontech Baocheng Chemical: the largest manu-factures for camphanic acid series all over the word. It has passed ISO9001:2000 and ISO14001 certifiction and mainly specializes in R&D and manufacture of fine chemical and pharmaceutical and agrochemical intermediates. Our cmpany is espcially good at Diazotization and hydrolysis,cyanation,hydrogenation Grignard reaction and etc. Recently our major intermediates for Sarpogrelate hydroehloride bicahnamide and the other new drugs have better international market and won our customer trust.