When looking at Hetian jade's appraisal certificate, we should first look at the words CMA, CAL and CNACL on the certificate. Secondly, the text mark on the identification certificate is a kind of anti-counterfeiting verification, so we should pay attention to distinguish it. In addition, the number on the appraisal certificate is exactly the same as the number indicated on the physical object, which can be inquired at the Jade Appraisal Center in official website.

When the inspection agency looks at the appraisal certificate of Hetian jade, it must first look at the inspection agency on the certificate. The state has very strict requirements on the qualification of quality appraisal institutions for jewelry and Hetian jade. A formal certificate will have one of the words CMA, CAL, CNACL, etc. A certificate without this word is fake.

The word mark on the word mark identification certificate is a kind of anti-counterfeiting verification. CMA is a national or provincial metrological certification and evaluation institution, cal is a nationally recognized testing institution, and cncal is a nationally recognized testing institution that has passed China Laboratory.

The serial number on the serial number identification certificate is exactly the same as the serial number indicated on the physical object, which can be found on relevant websites, such as official website Jade Identification Center. The information on the real certificate is the same as that on the official website, but the information on the false certificate will be different.