Xi'an Zhenghe Imp/Exp Co., ltd. Is a hi-tech enterprise specialized in natural herbal and plant extract.The main products include: Series of danshen p. E. Series of matrines, series of astragasli p. E. Series of gynostemma pentaphyllum p. E. Series of tubeimosides and many other herbal extracts. The high quality of the products is strictly controlled by our professional staffs and advanced equipments.Since the very beginning, we has always been striving for the high standard products and clients' maxium satisfaction.Now we could supply with about 130 kinds of plant extracts more than 1000 mts annually.Sincerely, we are willing to establish long-term relationship with clients around the world.