The First Jewelry and Jade Testing Center of Sichuan Provincial Bureau of Quality and Technical Supervision, Dongmen Street, Chengdu 1.

2. Chengdu Product Quality Supervision and Inspection Institute, No.9 Yongfeng Road, Yiguanmiao, Chengdu.

3. Chengdu Gold and Silver Jewelry Quality Supervision and Inspection Station, No.3 Erxianqiao East Road, Chengdu.

Extended data:

Due to the high value, investment prospect and non-renewable mineral resources of jewelry, more and more consumers and investors are beginning to pay attention to the jewelry market. But the vast majority of consumers lack the knowledge and tools to distinguish between true and false. Criminals often make huge profits by using fake and shoddy goods, and buyers are prone to serious economic losses.

A large number of fakes increase the risk of purchase and disrupt the market order. Therefore, it is particularly important to distinguish the authenticity of jewelry. Many fake experts also took the opportunity to make profits.