At present, there are three national qualification certifications in Chengdu, namely: 1, Jewelry and Jade Testing Center of Sichuan Provincial Bureau of Quality and Technical Supervision, and Dongmen Street of Chengdu.

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 Dongsan Road, Erxian Bridge, Chengdu 1.

If the appraisal certificate is issued in batches with multiple words, it will probably be 10 yuan. Only one is around 100 to 150 yuan, and works on Saturday and weekend, but it is still recommended to be from 9 am to afternoon 1 1 and from 2: 30 to 4: 30 pm from Monday to Friday.