Shaanxi Guanjie Technology Co.,Ltd was invested and established in 2009 by Xi'an GuanJIE Bio-technology Co., Ltd which was established in 2004.specializing in the extraction and separation of active ingredients from natural plants and Chinese traditional medicines to serve the nutraceutical food additives, pharmaceutical and cosmetics. The company plant located in Xi'an Chang'an District,an area of ？？5,000 square meters, The main products are Resveratrol, Polygonum series, amygdalin, aescin, saw palmetto