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wholesale jewelry gift boxes bulk factory Shanghai:
The certification (acceptance) certificate number: National Quality Supervision No. 215
Postal code: 200233
Tel: 021-64701065, 64839409
Calling address: Shanghai Yishan Road, Shanghai No. 716
The inspection unit: Shanghai Test Technology Research Institute
The main product scope of the authorized inspection: gold and silver jewelry and other gold and silver products, jewelry and jade
Inspection Center
The Tongji University Baoyu Inspection Center
Address: Tongji University Energy Building, 1239, Shanghai, Shanghai
Tel: 021-65983382
fax: 021-65981217
China China Light Industry Association Baoyu Stone Supervision and Testing Center Shanghai Testing Station Xinhua Road No. 365 Lane No. 6 021-63220033-310 200052
R n The jewelry and jade appraisal center of the Shanghai Municipal Laboratory Laboratory of Geology and Mining Department
It Zhenda Road No. 418 200436 T: 56681084
Lishui Road No. 61 Donghua Diamond Jade Hall
Jewelry and jade garden testing station
The 2nd floor of Huabao Building, No. 59 Wenchang Road 200010 T: 63111785-8015
The Lord looked at that quality inspection department closer to you.
golden thread jewelry wholesale There is one on No. 2829, Nanjing Road, Shanghai. Click on praise, happiness forever! Intersection Intersection
wholesale sterling silver jewelry silver rings Pay content for time limit to check for freenAnswer Hello, I am glad to answer questions for you. Tongji University Baoyu Inspection Center Address: Tongji University Energy Building, 1239, Shanghai Siping Road: 659833822. The Huabao Tower of Chenghuang Temple can be used for jade bracelet identification. Lao Fengxiang on Nanjing RoadnShanghai Municipal Technology Supervision Bureau, Shanghai Precious Metal Jade Quality Supervision and Inspection Station, Shanghai Quality Association Shanghai Quality Association Shanghai Baby Jade Jade British Association Pao Jade Stone Supervision and Testing Center Shanghai Testing Station National Jewelry and Jade Tongji University Tongji University Treasure Jade Inspection Center of Polytechnic UniversitynThese six are relatively good. After passing the state certification, you can see where you are closer, dearn1 morenBleak
osteris wholesale jewelry No. 716, Yishan Road, Shanghai! Intersection