Changzhou Joyous Chemical Co.,Ltd, Established in 2005, starting as a contract-manufacturing partner for overseas pharmaceutical customers, has made a great achievement in the field of pharmaceutical intermediates and special chemicals by our insistent efforts.

In 2011, we received the first round investment of two China Venture Capitals. Joyous Chemical steps into the expansion of R&D centre and establishing JV manufacturing sites.http://www.stkpharma.com