1. National Jewelry and Jade Quality Supervision and Inspection Center: The National Jewelry and Jade Quality Supervision and Inspection Center is a national-level jewelry and jade quality supervision and inspection institution, which belongs to the Jewelry and Jade Jewelry Management Center of the Ministry of Land and Resources.
2. Dalian Gold, Silver and Jewelry Supervision and Inspection Center: Dalian Gold, Silver and Jewelry Supervision and Inspection Center is affiliated to the Product Quality Supervision and Inspection Institute of Dalian Bureau of Quality and Technical Supervision, and is a municipal-level testing institution. In terms of talents, funds, management and scientific research.
3. Peking University Xinghua Gem Appraisal Center: Peking University Xinghua Gem Appraisal Center is a professional gem appraisal institution, with a professional appraisal team and advanced appraisal equipment, which can provide customers with high-quality jade appraisal services.
4. Shanghai Zhongbaobao Jade Monitoring Center: Shanghai Zhongbaobao Jade Monitoring Center is a jade appraisal institution located at No.242, Wuyi Road, Shanghai. In addition, there are other jewelry appraisal institutions and gold and silver jewelry quality supervision and inspection stations in Shanghai.
5. Tongji University Gem Testing Center: As an institution of Tongji University, Tongji University Gem Testing Center provides gem identification services.
The above contents refer to Baidu Encyclopedia-Emerald