About us Shaanxi Ciyuan Biotech Co., Ltd. is a High-tech Imp & Exp company specializing in the R&D, manufacture and sale of many kinds of purified natural herb extracts. We have a strong R&D team supported by PH.D researchers from some famous universities in China. Our production staff members consist of experienced technicians and managers. At present, we have already developed more than 100 species of natural compounds from herbs, and we also have advantages in the chemical synthesis of ...