Want to identify the authenticity of the ring, where can Beijing be identified.
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Want to identify the authenticity of the ring, where can Beijing be identified.
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Beijing:
The National Jewelry and Jade Quality Supervision and Testing Center, Beijing, Pending Gate, Beijing, No. 19 Xiaohuangzhuang Road, No. 19, No. 19, Xiaohuangzhuang Road, Beijing 64871971
This Gem Gems Appraisal Center, Beijing, Beijing, Beijing, Beijing Haixian Village 010-62755676 100071
66557585
The National Federation of Industry and Commerce Jewelry Industry Chamber of Commerce Jewelry Testing Research Center Xicheng Gate Chengming Building B2 B2 B16G 66169533
District College Road No. 29 82323039
The Quality Supervision and Inspection Center of the Ministry of Public Security Ministry of Public Security. Teaching Building 3303 Room 62755676
In the convenience of finding it yourself, it is best to go to Xiaohuangzhuang, I suggest