Chenggu Zhenhua Bio-Tech Co., Ltd. ( Shaanxi Zhonghe Zhenhua Biotechnology Co., Ltd. ) established in September 1992, is a large-scale pharmaceutical enterprise for Steroid hormone APIs and intermediates which covers an area of 230,000㎡. Shaanxi Zhonghe Zhenhua Bio-Tech Co.,Ltd is a sales company for Chenggu Zhenhua.
The company has 4 GMP standard plants, 10 specialized production lines and  30000 mu yam plantation. We got certificates of ISO9001 in 2000. In 2007, we got ISO14001 and OHSAS18001 and passed each year follow-up inspection by China Environmental Protection Agency...