The number of this experiment is: Emerald (A) bracelet identification certificate.

Certificate number: each appraisal certificate has an independent number, and there will also be the contact information and website of the appraisal institution. You can provide the certificate number and check the evaluation results by phone or online. Compare it with the appraisal certificate at hand to judge the credibility.

Enter the URL on the certificate after searching, and the query page will appear. You can query by entering the number, weight or verification code of the jade certificate. Click Query to display the e-cert to see if it is the same as your own certificate.

Secondly, on the back of the appraisal certificate, the website of the jade certificate number inquiry network is usually attached. After finding this website, you can log in directly. Enter the certificate number.

The method of distinguishing authenticity: check whether the jewelry and jade appraisal certificate has CMA, CAL, CNAS and other nationally recognized appraisal marks. Each appraisal certificate is marked with the inspection number (or experiment number), with a two-dimensional code indicating the inspection unit, official website and other information.