I want to identify emerald and silverware, which is more authoritative of Jiangsu Quality and Technical Supervision Jewelry Products Quality Inspection Station and Nanjing National Gold and Silver Quality Supervision and Inspection Center? The test results are more formal? Solve! please!
3 thoughts on “I want to identify emerald and silverware, Jiangsu Provincial Quality and Technical Supervision Jewelry Jewelry Product Quality Inspection Station and Nanjing National Gold and Silver Products Quality Supervision and Inspection”
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The two are authoritative and formal.
It you can go if you look more convenient.
the latter
Where is the address