Zhangjiajie Aowei Science & Technology Co., Ltd., held by Tianjin Jiurui Biochemistry Co., Ltd., is situated in Zhangjiajie Economic Development Zone, Hunan Province and covers an area of 130,000 sq. meters. Its R & D center is located at Tianjin High-tech Industry Zone.<br /><br />Relying on scientific research strength of Tianjin Nankai University and making use of vast natural resources of Wuling Mountains ,the company focus on extraction and processing of natural products. Currently, it mainly produces Gallnut products, Steroid products and Hesperidin. It has advanced technology and owns the greatest processing Gallnut capability in China. Moreover, it has gained certificates of ISO9001-2000,HACCP, HALAL, FAMI-QS and KOSHER and carried out the pre-registration of REACH.<br /><br />The company attaches great importance to environmental protection and has established water treatment system in accordance with the national standard. Boasting clean and tidy production environment and adhering to the concept of of