Hangzhou Clongene Biotech Co., Ltd., is one of the leading manufacturers of Medical Diagnostic tests and Reagents, which is located in Hangzhou, Zhejiang Province China. With highly experienced staff, GMP workshop, ISO13485, CE0197 certificates and technically advanced R&D. We provide a wide range of high quality OEM products including Fertility, Drug of abuse, Infectious Disease series test kits and Antigens, Antibodies, such as HCG antibodies, Drug of abuse antigens and antibodies etc.. To the worldwide market.