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2 thoughts on “pink wholesale jewelry The Jewelry Appraisal Department of Tianjin Geological Research Institute and Tianjin Jinbao Jewelry Supervision and Testing Center testing Jinzhu is better.”
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The second institution is better than
The Tianjin Jinbao Jewelry Supervision and Inspection Center is the only jewelry supervision and testing agency established in accordance with the law, and is a member of the National Jewelry and Jade Standardization Technology Committee. The official website agency can inquire
The geological bureau can also do jewelry testing. Many of the ingredients of rock jade n are relatively better than the second one. Of course You can detect
Is to answer can help you
silk jewelry boxes wholesale Tianjin Jinbao Jewelry Supervision and Inspection Center will be better! The previous one was the latter of the study after the study of the main money test.