The National Jewelry and Jade Quality Supervision and Inspection Center is a national professional quality inspection institution authorized by the relevant competent departments of the state according to law, and it is the authoritative institution for jewelry and jade testing in China. There are nearly 40 professional technicians in the testing center, including 10 senior technical title, 10 national quality inspector qualification and 18 international authority qualification certificates.
The inspection center has more than 50 instruments and equipment. In recent years, we have purchased large-scale precision instruments and equipment such as infrared spectrometer and ultraviolet-visible spectrophotometer. The instrument configuration has surpassed similar foreign laboratories, representing the international advanced level. The testing center has also collected and preserved thousands of samples of more than 100 kinds of jewelry and jade from all over the world.
Matters needing attention in purchasing jewelry and jade
1, know the market situation: before buying, you must first know the price and quality of jewelry and jade in the market. Relevant information can be obtained through the internet, books, exhibitions, etc.
2, choose a regular business: it is best to choose a regular business to buy jewelry and jade, so as to ensure the quality and authenticity of the goods. You can find reliable merchants through friend introduction and online evaluation.
3. Pay attention to the certificate and appraisal: When buying jewelry and jade, be sure to check whether there are relevant certificates and appraisal reports. These certificates and reports can prove the authenticity and value of the goods.
4. Pay attention to maintenance: Jewelry and jade belong to high-end consumer goods and need special maintenance. After purchase, it should be properly maintained according to the requirements of the manual to avoid damage or loss of its value.
The above contents refer to Baidu Encyclopedia-National Jewelry and Jade Quality Supervision and Inspection Center.