In recent years, QR code scanning has brought us a lot of convenience, but this method has also been used in jade certificates. These certificates will be accompanied by a QR code, which can be scanned in the name of an authoritative appraisal institution to check the authenticity. But in fact, the official website clicked by these QR codes are all fake, and some of them are the same as the real official website, no matter the page layout or web links, they are all fake. When trading online, you can't find anything unusual when you look at the certificate, but after careful comparison, you find that there are differences in weight, shape and size.
Essential points of jadeite appraisal certificate: 1, with institutional qualifications printed: mainly CAL certification, CMA certification, ILAC-MRA certification, etc. 2. Inspector's signature: it is clearly stipulated in the law that the certificate must be signed by the appraiser. If it is found that the appraisal institution knows the law and violates the law, it will bear legal responsibility. 3. Certificate number and check code: the certificate number is not repeated, which is convenient for inquiry and re-inspection; Check code is an identification code used for inquiry and re-inspection, which can be found in official website.