1, scan the QR code to query. With the expansion of smartphone users, more and more users use WeChat, and "sweep" has become a high-frequency word. The so-called "scanning", sweeping the floor is a QR code. Because the information capacity of two-dimensional code is very large, and the anti-counterfeiting ability is very strong, there is basically no way to fake it, so the anti-counterfeiting of two-dimensional code is also used in the anti-counterfeiting of jade appraisal certificate. Consumers only need to scan the QR code on their mobile phones to see all the information on the jade appraisal certificate, and then compare it with the real jade appraisal certificate in their hands to verify the authenticity of the jade appraisal certificate. However, not all jade appraisal institutions provide QR code query, so the method of scanning QR code to query jade appraisal certificate is only applicable to some jade appraisal certificates issued by appraisal institutions that provide QR code query. One more thing is that some jewelry appraisals of official website are fake now, so you should give your advice.

2. SMS query. Some appraisal institutions also provide short message inquiry. Consumers only need to edit the certificate number into a short message and send it to the designated number according to the instructions on the jade appraisal certificate, and the relevant information of the jade appraisal certificate will be sent back to the consumer's mobile phone by short message for consumers to inquire and compare.

3. Telephone inquiry. Telephone inquiry is the most commonly used way to inquire about jade appraisal certificates. Consumers only need to dial the fixed telephone number on the jade appraisal certificate, and someone will answer your questions about the jade appraisal certificate.

4. Website inquiry. In the era of network digitalization, jade appraisal institutions are also advancing with the times. Most formal and legal jade appraisal institutions have almost established their own websites, providing their own jade appraisal certificates to consumers through the Internet, so that consumers can easily distinguish the authenticity of jade appraisal certificates. Generally speaking, the inquiry website will be marked in a conspicuous position of the jade appraisal certificate. Consumers can log on to the website and enter the relevant content according to the prompts on the webpage, and then they can query the relevant data of this jade appraisal certificate.

5. Background of the certificate. When the pictures and data on the jade appraisal certificate are completely consistent with the real thing, we should also pay attention to the authenticity of some background contents appearing on the jade appraisal certificate. Because this part of the content is very professional, most people don't understand its meaning without deliberately asking, so it is a neglected corner in the eyes of unscrupulous merchants who forge jade appraisal certificates.