Guanjie head-office is Located in Hi-tech Industry Development Park in Xi'an city of Shaanxi province. Our factory and laboratory are located in Chang’an District about far 18 kms away from the head-office, and about 5kms away from the Qinling Mountain which has a lot of natural herb resources. The factory covers an area of 7,000 square meters, of which in accordance with the GMP design of the workshop area of 2000 square meters, 500 square meters of natural medicine research center and quality inspection center, equipped with liquid chromatography, gas chromatography, thin layer chromatography, ultraviolet spectrophotometer And other advanced detection equipment, has a strong R & D production capacity. Our production workshop in strict accordance with the GMP specification requirements for design and acceptance. (1500L), four sets of vacuum , four columns (400 * 4000), vacuum microwave oven and one set of spray Drying equipment, 2000L cone mixer and a large resin chromatography separation and other modern extraction equipment, the production process in strict accordance with the pharmaceutical production quality management practices (GMP) for control, to provide a stable product quality assurance. There are the most advanced extraction of small test, pilot plant production line, there are extraction laboratories, to complete the small test to the production of various types of extracts, the stage of the process development.