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  • Copyright © 2013 The Gem and Jewelry Institute of Thailand (Public Organization). All rights reserved.
  • 140, 140/1-3, 140/5 ITF - Tower Building. 1st - 4th and 6th Floor, Silom Road, Suriyawong, Bangrak, Bangkok 10500, Thailand
  • Tel: +66 2634 4999 Fax: +66 2634 4970 Email: jewelry@git.or.th