black velvet jewelry bags wholesale Is the jewelry with a real identification certificate must be genuine?

wholesale womens jewelry uk Jewelry with an appraisal certificate is not necessarily true. It is due to the certificate that can be mixed with beads.
The jewelry appraisal certificate is a certification of the true and false and attributes of rare and expensive metals, treasure jade or jewelry products.
The national jewelry and jade quality supervision and inspection center (referred to as inspection center) is a national jewelry and jade professional quality inspection institution authorized by relevant state competent departments in accordance with the law. It is the authority of China's jewelry and jade testing. The inspection center provides commissioned inspection services for the society, undertakes the national market supervision and inspection, arbitration inspection, import and export commodity inspection, and formulated and revised relevant national standards. It plays a guiding role in regulating the domestic jewelry market and promoting the healthy development of the jewelry industry.
The jewelry appraisal certificate is a certificate of information issued by the true and false and attributes of precious metals, treasure jade or jewelry products.
1. See whether the certificate is authoritative. If there is no one of the above five signs of your certificate, it is basically not credible.
2. Should the content of the certificate consistent with the real thing.
3, the "Remarks" column generally encountered some samples of relatively special states during the general testing process, and will be explained and indicated in the remarks. For example, in the emerald identification certificate, once the color -free oil optimization is involved, the more obvious one will indicate the purity optimization in the remarks. The remarks column can also be information about the business name of the sample, the type of stones of finished jewelry.
4. All the above content must be obeyed by several standards, and at the same time, the source of the identification basis will be marked on the certificate.
5, the signature also, there should be more than two appraisers signed in the certificate (most of them are handwritten). A very few testing agencies are machine signatures. For example, the review and testing of certificates issued by the Jewelry Inspection Center of the Geological University is a machine signing.
6. Each independent appraisal agency in other text information has the official seal of the department. The identification certificate must be covered with steel prints. Yes, it can be clearly touched by hand. There must be a full name of the issuing institution on the steel print, and individual institutions must also be encoded by the department. Each appraisal certificate has a set of independent non -repeated numbers, namely the certificate number of the certificate.
7, contact information and each testing agency of LOGO have the address of the institution's laboratory and its independent website. This information will also appear on the certificate. In addition, the full name, logo label and telephone of the testing agency are also indispensable. There are also qualification signs mentioned in the previous link, which must also appear in the certificate.
8, anti -counterfeiting information such as national inspection NGTC has anti -counterfeiting code, laser anti -counterfeiting labels, LOGO fluorescence visible to ultraviolet lamps, and so on.