Shanghai twisun bio-pharm Co., Ltd. is a leading professional high technology manufacturer of intermediates and API's which was established in Shanghai in 2007. It's located in the national high-tech business park "Shanghai torch innovation park of fine chemical industry". Twisun has more than 3, 000 square meters of multi-functional modern research and development centers, and nantong in jiangsu in the trial, such possession and production base can provide customers with the tonnage and grade kilograms of high-quality products. Twisun is committed to technical innovation and new drug development, and also to provide customers with comprehensive, efficient, professional chemical outsourcing services. Twisun have 60 employees, including 30 years experience of research and develo..