Beijing jewelry appraisal institutions include Beijing National Gemstone Appraisal Center and Beijing Shangzhong Hongye Jewelry Appraisal Service Center. Beijing National Inspection Gemstone Jewelry Appraisal Center has passed the qualification certification of national quality supervision, inspection and testing institutions, and is an authoritative institution for jewelry inspection and testing in China. The center has a group of technical backbones who have been engaged in inspection and testing for many years. Jewelry inspectors have the qualifications of national jewelry quality inspectors, and the center has a variety of international cutting-edge testing instruments. The talents of the center and the advantages of advanced testing instruments provide strong technical support for testing services.