The state has strict requirements on the qualification of quality appraisal institutions of jewelry and Hetian jade, and only the appraisal certificate issued by the recognized appraisal institutions is valid. Formal hetian jade appraisal certificate will generally have one of the words CMA, CAL and cncal. If there are none of the three, it is a false certificate.

2. Look at the identification number

This is essential, because sometimes, customers need to recheck online to see if the appraisal certificate really comes from an appraisal institution or is forged. This is the role.

3. Look at the signature of the appraiser

On the appraisal certificate of Hetian jade, both appraisers and verifiers need to sign, and the appraisal certificate of Hetian jade can only take effect if both of them sign at the same time.

4. Look at this seal

Strictly speaking, the seal stamped on Hetian jade appraisal certificate must be steel seal, and the handwriting on the steel seal must be legible.

Step 5 look at the website

Regular inspection institutions have their own websites, and their main function is to check the authenticity of certificates except for the introduction of some related knowledge. There is a website address on the certificate. Search it out first. If a certificate query item is found, you will be asked to enter a certificate number or other numerical value, and enter it as required. Then click Query, and you can see the query results, whether it is true or not, at a glance.

Extended data

Quality inspection organization:

Xinjiang Quality Inspection Institute was established as "Quality Supervision and Inspection Station of Gold and Silver Products in Autonomous Region" on 1994, and was renamed as "Quality Supervision and Inspection Center of Hetian Jade Products in Xinjiang" in September 2007.

2065438+On April 7, 2006, the Xinjiang Uygur Autonomous Region Bureau of Quality and Technical Supervision relied on the National Hetian Jade Product Quality Supervision and Inspection Center (Xinjiang) established by the Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection Institute.

According to the requirements, it passed the qualification evaluation of China National Certification and Accreditation Administration, and passed the acceptance of the expert group organized by the General Administration of Quality Supervision, Inspection and Quarantine, and was graded as Grade B, approving the formal establishment of the National Hetian Jade Product Quality Supervision and Inspection Center (Xinjiang).

Baidu encyclopedia-Hotan jade