Why source drug substances from China?
Large markets, economies of scale and cheaper labor;An industrial ecosystem supplying raw materials and equipment;Developed infrastructure and industry friendly policies;About 5,000 manufacturers;
Thousands of chemists and students across China looking for novel synthesis routes for generic drug substances and intermediates.
read all at
http://www.allfordrugs.com/2013/06/21/supervision-of-chinese-made-drug-substances-by-philippe-andre/