Yes Zhongzheng Jewelry Appraisal Center, with legal qualification, is a national professional quality inspection institution approved by China Quality Inspection Institute and developed by China National Accreditation Committee for Conformity Assessment. It is a high-quality professional service organization integrating gemmology, gemmology research, diamond science, jewelry design, processing, marketing, commerce and other industries. Zhongzheng Jewelry Appraisal Center has national registration, quality inspector qualification certificate, and registered jewelry and jade appraiser qualification certificate of China Gemstone Association.