Inquiring about the information of official website and the National Jewelry and Jade Inspection Center, we know that the National Jewelry and Jade Inspection Center is a professional appraisal institution that has been appraised by the National Accreditation Committee, and has been focusing on the detection of jewelry and precious metal ornaments, and has produced certified data to the society.

China National Stone Jewelry Testing Center has a strong technical force, with imported large-scale instruments such as infrared spectrometer and X-ray fluorescence spectrometer, and many senior engineers and technical backbones such as doctors and masters. Testers hold the qualification certificates of famous appraisers at home and abroad, such as the Royal Gemological Society of FGA and the Jewellery College of GIC China Geo University, and have rich theoretical knowledge and practical experience.