We are a professional manufacturer of pharmaceutical raw materials and intermediate of sartan series. Mainly products: OTBN, BR-OTBN, BBTT, Valsartan, Olmesartan, Losartan, Candesartan, Telmisartan, Irbesartan, BCFI, DMDO-CL, Trityl Olmesartan, Trityl Valsartan, ect.