The identification method of Fanta stone certificate is as follows:
1. See if there are any signs of "CMA" and "ZKJ" on the certificate. The official appraisal certificate will be marked with "CMA" and "ZKJ".
2. See if there are any pictures and codes. The pictures of the works will be put on the official quality inspection certificate. Of course, it is normal for this picture to have a little color difference occasionally. It will also indicate the label and verification code of the certificate, as well as the following code and QR code, which can help customers check the authenticity of the certificate on the inquiry website.
3. See if there are any appraisal results. The formal appraisal certificate will clearly indicate the appraisal result. It will also indicate the total weight, shape, color, density, refractive index, optical characteristics and other representative features of things. These appearance features can help you compare the real thing.