We are CHINA SHENGDA PHARMACEUTICAL CO.,LIMITED,is a professional manufacturer specialized in the production and distribution of active pharmaceutical ingredients and intermediates.Our company has strong R&D ability and production experience to provide the customers new APIs. We specialize in developing innovative processes for the synthesis of a wide range of products. We also undertake custom synthesis and contract manufacturing,such as Tenofovir(PMPA TDF 147127-20-6/202138-50-9/Sorafenib 475207-59-1 /sitagliptin phosphate 654671-77-9/Vildagliptin 274901-16-5 /Darunavir 206361-99-1.