1. Blank column of total quality: the column of total quality is blank, because the column of real jade appraisal certificate cannot be blank. For jewelry, the inspection of total quality should not be underestimated.

2. Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

3. Look at the printing quality of the jade appraisal certificate. The real certificate looks very textured, with good printing quality, clear handwriting and standard typesetting. However, the printing quality of fake certificates is rough, the handwriting is not easy to read and the typesetting is not standardized.

4. Look carefully at whether the shop opening organization that issued the jade bracelet inspection certificate has the right to issue the jade appraisal certificate.

How to distinguish the authenticity of jade certificate

1. Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

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. Telephone inquiry.

3. Look at the printing quality of the jade appraisal certificate. The real certificate looks very textured, with good printing quality, clear handwriting and standard typesetting. However, the printing quality of fake certificates is rough, the handwriting is not easy to read and the typesetting is not standardized.

4. Distinguish the authenticity of the jade certificate by telephone inquiry, website inquiry, SMS inquiry, QR code scanning inquiry, etc.

5. Steel seal: the steel seal of the testing organization can be clearly seen on the front of the certificate, and there will be steel seal on the real and effective certificate. Number: there will be a line of certificate number on the certificate, which is an important certificate to test the authenticity of the certificate. A certificate without a certificate number has no credibility.

How to know the authenticity of the jade certificate?

No number: Jade certificates are generally numbered, which is a sign to check whether the number of certificate frames is true or false. False certificates generally have no serial number, in order to prevent us from finding that the certificate is false after checking the serial number. A jade certificate without a number is equivalent to a blank sheet of paper.

Look carefully at whether the shop opening organization that issued the jade bracelet inspection certificate has the right to issue the jade appraisal certificate.

Look at the signs: on a genuine jade certificate, the most conspicuous signs are several English abbreviations, and the common signs are "CMA", "CAL" or "CNAL". CMA is a sign that the measurement certification of testing institutions is qualified, and the institutions with this sign are legal testing institutions.

Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

How to test the authenticity of jadeite appraisal certificate?

There will be a fixed telephone number for every jade appraisal. If you have any questions, just call directly. As long as it is a formal jade appraisal certificate, you can call on the certificate and there will be a special staff to answer it.

Scanning QR code query: Consumers can view all the information on the jade appraisal certificate by scanning the QR code on the mobile phone, and then compare it with the real jade appraisal certificate in their hands to verify the authenticity of the jade appraisal certificate.

On the back of the observation certificate, there is the national official website, and the website registered in the Ministry of Industry and Information Technology is a government agency, not a private enterprise. Open the query URL and click the "Certificate Query" menu bar. Officially entered the jade appraisal certificate query interface.

An authentication institution that authenticates the authenticity of the official seal.

1, suspected of violating the law and committing crimes, the public security organ entrusts a trace inspection and appraisal institution for appraisal. Inquiring about the authenticity of the official seal can be distinguished by the font, color, shape, angle and position. The official seal refers to the seal used by organs, organizations, enterprises and institutions.

2. Appraisal by a specialized judicial appraisal institute. Suspected of violating the law and committing crimes, the public security organ shall entrust a trace inspection and appraisal institution for appraisal. If it is a civil lawsuit, it is enough to apply to the court to entrust an appraisal institution to do judicial appraisal. The official seal is filed by the Public Security Bureau, with the company's registration number on it.

3. Have specialized judicial expertise. Suspected of illegal crimes, the public security organ shall entrust a trace inspection and appraisal institution for appraisal. If it is a civil lawsuit, it is enough to apply to the court to entrust an appraisal institution to do judicial appraisal.

4. Look at the font first. Most real official seals use Song fonts, while fake official seals are more casual. Secondly, because the real official seal is stamped, uneven force will cause uneven color, and the fake official seal will make the color uniform through PS technology. Third, look at the appearance.