bracelet tubing wholesale jewelry supply
1 thought on “bracelet tubing wholesale jewelry supply Which is the most authoritative of the jewelry certificate”
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bracelet tubing wholesale jewelry supply
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jewelry packaging wholesale china The international certificates will have different authority according to the categories: for example, diamonds we generally recognize is GIA (American Gem Academy), HRD (Diamond High -Story Conference Alliance) has a lot of views. Swiss GRS Gem Institute) This is more seen.
The authority in China is NGTC (National Jewelry and Jade Quality Supervision and Inspection Center), Peking University Gems Appraisal Center, etc. There are countless small appraisal stations: Dada, Shenzhen State Inspection, Industry and Commerce Federation ........................ That's too much.
does not need to look at authority or size now. The state's control over this area is very large. The appraisal station dare not issue a certificate regardless of the size. Therefore