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Training Ngoc Hoc

Notice of opening training course “Ngoc Hoc Training”.

Training Ngoc Hoc by Vietnam Gem Association and GCR training.

  • Training content of Ngoc Hoc Training:

Identify stones

Learn about the origin
And methods of assessment
Participants in Ngoc Hoc Training:

From 25 to 50 years old
For detailed information please visit regularly and page Gcr.deu.vn or download the app to install on the phone to receive a detailed notification of the content of the training course Ngoc Hoc

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