Shaanxi Zhengbang international trading Co,ltd is the wholly owned subsidiary  of Chenggu Zhenhua Biological Science & Technology Co.,Ltd that is the technology based company specialized in developing, manufacturing and marketing the steroid hormone drugs and the intermediates thereof.
       
          We manufactured 13 APIs series and intermediates, passed the ISO14001 environment management certification and OHSAS18001 health management certification enterprises, which made us become one of the biggest manufacturer and supplier of these products in domestic market.
       
          Our major products are Diosgenin with yearly productivity of 800 ton, 16-dehydropregnenolone acetate of 300 ton/year, 16,17a-Epoxyprogesterone of 80 ton/year, pregnenolone of 80 ton/year, DHA of 80 ton/year, and pregnenolone of 40 tons/year. In addition, DHEA, Progesterone, 19-hydroxy-4-androsten-3, 17-dione, 17a-Hydroyprogesterone acetate have certain scale advantage. With the strong technical force and excellent corporate reputation, we have got the faith of domestic and overseas customers. Our products are being sold to USA, Germany, France, Neitherland, Mexico, Spain, and India, and so on.
       
          Based on mutual benefits, we are willing to take high quality products, reasonable price, excellent service and sincere cooperation with customers at home and abroad and create the future.