Our reputation is based on strict quality control. We are proud of our standards and the stability of our products. Guanjie Analysis and Testing Center is located in Xijing Industrial Park, Yanta District, Xi’an. It is built with GMP and QS standard. It has 486 HPLC, UV-759 UV detector, UV-1600 UV detector, atomic absorption chromatography Instrument, infrared spectrometer, mass spectrometer, UV - visible spectrophotometer, polarimeter and another large number of high-end quality testing equipment. Center has a qualified high-tech hard detection team, responsible for the company's raw materials, finished products, semi-finished products such as inspection and quality control.

We have been cooperating with univeristies, scientific research centers and independent labs. Before sale and after sale, We will do our best to provide excellent service to our every customer.

Our reputation is based on strict quality control. We are proud of our standards and the stability of our products.