Founded in 1992, Kunshan SanYou Pharmaceutical Material Co.,Ltd. specializes in the development and production of Pharmaceutical material, intermediate and fine chemicals. In past several years, Sanyou has established good cooperation relationships with PharmacySchool, FudanUniversity, and other famous universities and institutes. Our Phentolamine Mesylate and Tamoxifen Citrate both have reached international standards. At present, 55% and above of our products have been exported to Southeast As...