1. Look at the signs: there will be several signs with English abbreviations at the top of the real appraisal certificate, such as CMA, CAL and CNAS, among which CMA is necessary, which is the basic requirement of national laws for testing and inspection institutions. Otherwise, the certificate is invalid.
2. Look at this sign. On the real 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.
3. The identification of the certificate of jade bracelet can be carried out by checking the mark of the certificate and checking the authenticity of the certificate.
How does Jade check the authenticity of the certificate (how does Jade identify the authenticity of the certificate)
The name of jadeite is not standardized: according to the national regulations, the proper name of jadeite in national standards should be jadeite or jadeite, and only the words A will be attached to the remarks. If the certificate you see when you buy it is not like this, it may be a fake certificate.
Check and evaluate the qualifications of institutions; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.
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 issue an appraisal certificate for jadeite? How to issue an appraisal certificate for jadeite?
The jadeite appraisal certificate is issued by the appraisal institution. When you are in doubt about buying jade, you can go to the appraisal institution in your province and city for monitoring, and the cost is about tens to hundreds of yuan.
Inquiring about the authenticity of the jade certificate: To inquire about the authenticity of the jade certificate, we must first check the authenticity of the appraisal institution to see if this institution is a formal appraisal institution.
Look at the steel seal: according to the national regulations, the seal stamped on the real jade appraisal certificate must be steel seal, and this steel seal feels concave and convex, not flat. Official website query: Check the official website of the corresponding institution on official website to see if it is consistent with the description in the certificate.
Look at the information on the certificate first: natural color, and the words of natural color on the certificate must be false. There is no reason. Website, address and telephone number. These three are indispensable. These three things may not be true, but they are absolutely false without them.
What is the method of jade identification certificate?
1. Submit for inspection: The first step in making jadeite certificate is to submit for inspection, bring valid identity documents to the testing center, and go through the inspection procedures in the "Personal Entrustment Inspection Window" of the testing center.
2. Look at the jade appraisal certificate, first of all, look at whether the inspection certificate is printed with any of the three marks of CMA, CAL and cncal. All legally issued certificates must have the signature of the appraiser on the back, and they must have two or more signatures in order to have legal benefits.
3. Look at the appraisal results. If the jadeite certificate issued by the authoritative organization is not natural grade A jadeite, the result is only "jadeite", and the words "grade A quality" and "natural" will not be marked. You know, only natural A goods will issue the certificate of the result of "Jade (A goods)".
How to identify jadeite?
1. Look at the signs: there will be several signs with English abbreviations at the top of the real appraisal certificate, such as CMA, CAL and CNAS, among which CMA is necessary, which is the basic requirement of national laws for testing and inspection institutions. Otherwise, the certificate is invalid.
2. Look at this sign. On the real 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.
3. Look at the jade appraisal certificate, first of all, look at whether the inspection certificate is printed with any of the three marks of CMA, CAL and cncal. All legally issued certificates must have the signature of the appraiser on the back, and they must have two or more signatures in order to have legal benefits.
4. Jade certificates are generally divided into two sides. The front is the standard information and picture of jade, and a code will be randomly generated and pasted on the jade, the normal code bar will be pasted on the inner ring of the bracelet, and the pendant will be pasted on the back; On the reverse side are the signs of national certification and the information of quality inspection institutions, including the website, telephone number and address of quality inspection institutions.
5. Appearance First, look at whether the jade photo on the jade identification certificate is consistent with the real thing, and observe from the workmanship and color (the jade bracelet should also be checked for cracks). Total mass This is the weight of jadeite, which must be consistent with the certificate.
6. 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 identify the jade certificate?
1, first of all, look at whether the jade photo on the jade identification certificate is consistent with the real thing, and observe it from the aspects of workmanship and color. Jade bracelets should also be checked for cracks. Total mass This is the weight of jadeite, which must be consistent with the certificate.
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. Font: Finally, observe the font of the jade certificate. If the font is clear, it means it is a genuine jade certificate. Otherwise, if the font is blurred, it means it is a fake jade certificate.
4. Distinguish the authenticity of the jade certificate by telephone inquiry, website inquiry, SMS inquiry, QR code scanning inquiry, etc.
5. 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.