National Gemstone Testing Center (NGTC)

2016-11-18

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Web: http://www.ngtc.com.cn/

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Globally Debut of the Chin...

Guangdong Gems & Jade Exchange and the International Colored Gemstone Association (ICA) held the debut of the Chi... [ Detail ]

The International Jewelry &...

The International Jewelry & Diamond Conference (Guangzhou) 2018, hosted under the guidance of People’s Government ... [ Detail ]

Guangdong Gems & Jade Exch...

On March 1, 2018, The Guangdong Gems & Jade Exchange (GDGJE) and the International Colored Gemstone Association (ICA) signed the MOU in Hongkong [ Detail ]

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