2, there is no identification. Nanjing Quality Supervision Bureau is located in Chengxian Street, Nanjing City, Jiangsu Province. Only from September18 to September 30, 2020, Nanjing Quality Inspection Institute organized quality month public welfare testing activities to provide citizens with free appraisal services for gold, jewelry and jade. In normal times, it is not identified.
3, the provincial quality supervision bureau, gold jewelry testing center can be, the key is to be able to issue a formal test report, the price varies from place to place, generally around 300 yuan. Gold is cheaper, and jewelry and jade appraisal are more expensive.
4. Jiangning Gold and Jewel Tower have been appraised, and the cost is about 10-20 yuan.
5. Nanjing bracelet appraisal At the intersection of Zhujiang Road and Longpan Road, there is a geological unit with jade jewelry appraisal and national certification certificate. Chinese Name: Emerald, Emerald, Agate, Tourmaline, Frozen Wax. Water bracelets include jadeite, jadeite, agate, tourmaline and iced glutinous rice. They look as clear as water, so they are called water bracelets.