OHC Osthandel Chemie GmbH

As a well-established U.S. CRO/CDMO since 1996, AstaTech provides high quality building blocks to the global pharmaceutical and bio-technology industry. We are a One-stop chemistry supplier that can support projects from initial R&D to commercial

Guangzhou Qingcong Trade Co., Ltd. Guangzhou Qingcong Trade Co., Ltd. was established in 1999 and officially registered in 2002. At present, the company mainly operates four major projects: first, the daily chemical essence department, acting as an a