Content
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:
male
Female
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