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Shaanxi Guanjie Technology Co., Ltd. was invested and established in 2009 by Xi'an Guanyu Bio-technology Co., Ltd. which was established in 2004. Guanjie is a hi-tech private enterprise specializing in the extraction and separation of active ingredients from natural plants and Chinese traditional medicines to serve nutraceutical food additives, pharmaceutical and cosmetics industries. Guanjie's head-office is located in Hi-tech Industry Development Park in Xi'an City of Sh...