First look at the jade appraisal agency. At present, the most authoritative assessment agency in China is NGTC directly under the Ministry of Natural Resources. Therefore, the jade inspection certificate issued by it has national authority and effectiveness.
Jade bracelet certificate is so true and false. First of all, look at the sign: CMA-the sign that the testing institution has passed the measurement certification, and the institution with this sign is a legal testing institution. CAL- is the symbol of inspection organization approved by national quality inspection, and the organization with this symbol is qualified to make arbitration inspection conclusion.
First of all, look carefully at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
Observe the English abbreviation marks on the jade certificate, such as whether there are CMA and other marks. If there is, it means it is a genuine jade certificate.
Website inquiry, regular jade appraisal institutions have their own websites, log in according to the website on the certificate, and then enter the number of the jade certificate for inquiry.
Looking at the appraisal institution, the first thing to check carefully is whether the appraisal institution of the jade appraisal book has the right to issue the jade appraisal certificate. According to the division of industry departments, there are mainly five kinds of jade appraisal institutions. Quality inspection system, geology and mineral resources system, education system, trade associations, private enterprises.
How to treat the jade bracelet appraisal certificate?
1, jadeite certificate mainly depends on the description of jadeite identification elements. Such as certificate number, inspection conclusion, jadeite gram weight, size, refractive index, density, amplification inspection, etc. CertificateNo./InspectionNo.: You can check whether the purchased goods are consistent with the goods on the certificate. If there is jadeite with code, you can compare it with the code on the certificate.
2. The front of the jade bracelet identification certificate: it is the issuing unit, and the testing institution can be the quality inspection station under the provincial quality supervision bureau or the quality inspection station under the municipal quality supervision bureau. Some colleges and universities offering jewelry majors are also eligible to issue appraisal certificates.
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.
4. First look at the jade appraisal institution. At present, the most authoritative appraisal institution in China is NGTC directly under the Ministry of Natural Resources, so the jade inspection certificate issued by NGTC has national authority and effectiveness.
How to distinguish the authenticity of jade bracelet certificate
1. First look at the jade appraisal institution. At present, the most authoritative appraisal institution in China is NGTC, which belongs to the institution directly under the Ministry of Natural Resources, so the jade inspection certificate issued by NGTC has national authority and effectiveness.
2. Observe the English abbreviation marks on the jade certificate, such as whether there are CMA and other marks. If there is, it is a genuine jade certificate. Check whether the jade certificate has a number. If it has a number, it means that it is a real jade certificate. Otherwise, if it has no serial number, it means it is a fake jade certificate.
3. First, carefully look at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
4. The identification certificate is equivalent to the ID card of the jade bracelet, and the jade identification certificate can only be issued by a professional testing institution. Therefore, it is the most authoritative certificate, and the serial number of the appraisal certificate is unique, which corresponds to the only jade jewelry. Therefore, the jade appraisal certificate of each piece of jewelry is unique.