First, open the browser commonly used on the computer. Find and search on the browser homepage, enter "Jade Query Certificate official website" and search. Find the online query and verification system of jewelry certificate in the search results, and click Enter.
Jade identification certificates generally have a string of detection numbers on them, usually on the opposite side of the certificate. There must also be the telephone number and website address of the appraisal unit, which is generally on the front of the certificate. Call for advice, tell the test number and ask the other party to tell the appraisal result.
After entering the official website address of the certificate in the URL column, click Login to find the certificate inquiry column, and enter the certificate type and number: after entering it correctly, click OK, and the webpage will jump to the content page of the certificate to check the certificate information carefully. Do it directly on your mobile phone.
The certificate number or inspection number on the certificate can be used to check whether the purchased goods are consistent with those on the certificate. If there is a code on the jade, it can also be compared with the code on the certificate. Secondly, the refractive index on the certificate is 66, which is the most common structure of jadeite and the most important feature that distinguishes jadeite from other jadeites.