Technical supervision bureau—
National gold and silver products quality supervision and inspection center
Shanghai Jewelry Quality Supervision and Inspection Station 7 16 No.64839409 Yishan Road No.288 Fu You Road * 2nd Floor, Yayi Gold Shop
Room 603, Donghua Meizuan, No.8/KLOC-0, Lishui Road, No.242 Wuyi Road, Shanghai Zhongbaobao Jade Appraisal Center
East China University of Science and Technology-
East China University of Science and Technology Testing Center/2/F, Huangcheng Jewelry, No.88 Lishui Road, 64250882 Meilong Road, Kloc-0/30
Light industry—
National light industry jewelry jade jewelry
6322032 1 No.239, Fu You Road, 3rd Floor, Quality Supervision, Inspection and Testing Center, No.432 Nanjing East Road * Laofengxiang Jewelry Building 1 Building
Tongji University Gem Testing Center siping road1No.239
Tongji University Energy Building 65983382 6598 12 17
Xue Qian Street11Lane, Penglai Road, Shanghai Jewelry Inspection and Appraisal Institute.
Room 633056 19, Room 204, No.2, Canghaiyuan, Donghua Meizuan, Room 8 1 * 635, Lishui Road
Shanghai City God Temple Gold and Silver Jewelry Testing Center, the certificate of the second floor of the Jade Garden * Old Temple of the City God Temple is only recognized internally.