The National Jewelry and Jade Quality Supervision and Inspection Center in Beijing, the National Gold and Silver Products Quality Supervision and Inspection Center in Shanghai, and the Tianjin Gemstone Testing Center in Tianjin.

Select the National Jewelry and Jade Quality Supervision and Testing Center for jade identification. The National Jewelry and Jade Quality Supervision and Inspection Center in Beijing, the National Gold and Silver Products Quality Supervision and Inspection Center in Shanghai, the Tianjin Gemstone Testing Center in Tianjin, and the Chongqing Gemstone Product Quality Supervision and Inspection Station in Chongqing. Some big cities such as Changzhou also have specialized jade appraisal centers, such as Changzhou Jade Appraisal Center.