We are a professional manufacturer of nutraceuticals, plant extracts, pharmaceutical raw materials & intermediate and a high-tech modern large-scale corporation which is engaged in cultivation., R & D, production, sales & marketing. It was established in 2003. We owed three subsidiaries : production base—Hunan Keyuan Bio-products Co.,Ltd, R&D base—Shanghai Zheyuan Pharmaceutical Techology Research Institue and Shanghai Chuyuan Industrial Co.,Ltd.

The main products including resveratrol, 5-HTP, Citrus Aurantium P.E, Epimedium P.E., Stevia., artemisinin & its derivatives and steroid hormone APIs.We are honored as High-Tech enterprise in 2005.Our products are popular in North America, Africa, Asia, Latin American, West Europe and Southeast Asia.
Cultivation base and factory
Our factory located at the foot of the beautiful Nanshan Pasture,Hunan Province,China ,covering more than 70000 square meters, with abundant in natural resources & a pleasant climate. It is also Chinese main origin area of natural plants ,such as Polygonum Cuspidatum, Citrus Aurantium, Rhizoma Dioscoreae zingiberensis etc., which assure that we can provide you with pure natural products and guarantee for your healthy life.
Production and R & D
We are certified by ISO9001 & ISO14001. The whole processes of all products strictly conform to GMP standard. With modern production workshop, quality control department, first-class laboratory and a full range of testing equipments, The quality of our products has reached advanced level of similar products at home and abroad. Our company always focus on the improvement and innovation of technology. We especially set up the Shanghai Zheyuan Pharmaceutical Technology Research and workshop , which is engaged in R&D of nutraceuticals, plant extract, phtochemicals, Active Pharmaceutical Ingredients(APIs).
Adhering to the principle of quality being the top priority , relying on technological progress & innovation, a flexible operational management and efficient service, we will keep on devoting ourselves to providing human beings effective & green healthy products!