Jilin Gold and Silver Jewelry Quality Supervision and Inspection Center is located at No.928 Silicon Valley Street, Chaoyang District, Changchun City, Jilin Province.
Jilin Gemstone Product Quality Supervision and Inspection Station is located atNo. Kuanping Road 1537, Chaoyang District, Changchun City, Jilin Province.
Zhongkun Jewelry Appraisal Company of Jilin Province, located at 0 169, Hualian Antique City, Dajing Road, Nanguan District, Changchun City, Jilin Province.
Jilin Huatian Gold, Silver and Jewelry Testing Station is located at No.960, Chongqing Road, Chaoyang District, Changchun City, Jilin Province.
Changchun renmin street Financial Building, Jewelry and Silver House.
After buying in some jade specialty stores or reputable jewelry stores, they can also be re-inspected.
It should be noted that it is best to have a simple test before buying jade, which can be detected by the hardness of jade. If you have time, you can carve a scratch or grind it off.
Update 1: The 43rd song is about summer and autumn, and there are too many situations in winter festival teaching. It is not easy to learn, but