2.NGTC's jewelry appraisal certificate was made by NGTC's own training department. After paying the money, you can send it after short-term training. There are all kinds of short-term training all over the country all the year round. There is no systematic jewelry study, but only short-term training is spent.
3. The authority of 3.ngtc national inspection certificate. To put it simply, NGTC is the abbreviation of National Jewellery and Jade Quality Supervision and Inspection Center (English full name: NationalGemstoneTestingCenter), and it is a national authoritative quality inspection institution approved by the Central Committee.
4. Both of them are reliable, but NGTC certificate is different from GTC certificate. NGTC certificate, full name of National Jewelry and Jade Quality Supervision and Inspection Center, belongs to the certification certificate produced in China.
5. The full name of reliable NGTC is National Jewelry and Jade Quality Inspection and Testing Center. In addition to strict testing standards and procedures, it is different from other appraisal certificates in that it is the only certificate in China that supports international mutual recognition and has legal effect, which can be said to be a real national name.