Shenzhen National Treasure Testing is an authoritative testing and appraisal company that has been strictly examined by the national quality and technical supervision department in accordance with the national "Laboratory Qualification Accreditation Criteria" and obtained the metrological certification qualification.

Detection of business service items:

1. Identification of jewelry, jade and raw materials;

Identification and classification of pearls, jadeites and diamonds;

Nondestructive testing of precious metals and jewelry;

Detection of wooden ornaments such as mahogany and rosewood;

Jewelry mahogany precious metal jewelry batch hanging sign service.

Extended data

The internationally accepted qualification certificates of authoritative jewelry appraisers include:

1, member of FGA Royal Gemstone Association;

2.GIG Gem Expert title;

3. GIA Jewelry Appraiser of American Jewelry Association;

4. Jewelry appraiser of 4.IGI Belgian Jewelry Institute;

5. Gem appraiser of Guangzhou Automobile China Jewelry and Jade Jewelry Industry Association;

6.GIC Jewelry Appraiser of China Geo University (Wuhan);

7. Jewelry Appraiser of 7.GCC China Geo University (Beijing);

8. Senior Diamond Grader of 8.HRD Belgian Diamond High Council;

9.CGC China registered jewelry and jade quality inspector.

Baidu Encyclopedia-Shenzhen Shen Guojian Jewelry Detection Co., Ltd.