Guangzhou Kafen Biotech Co.,Ltd is a high-tech and professional company founded in 2002,which specialized in developing, manufacturing,,distributing steroid hormone powders and intermediates.We have been devoted in R&D, production and marketing steroid hormone and pharmaceutical raw materials. With advanced production technology and equipment, strong technical force, first-class laboratory and inspection equipment.Kafen has developed into a professional factory manufacturing anabolic steroid powders with several years'efforts and contribution of experienced technicians in different areas.Company affiliated factory has advanced production equipment and plants,perfect quality assurance and control system, whole set of High Pressure Liquid Chromatography/Gas Chromatography/UV Spectrophoto..