Paspong  Chin Udompong  (Khun Jong)
Chanthaburi, Thailand
  • 1976   Pioneered in Heated Treatment of Rubies.
  • 1981   Success in heating yellow sapphire from Sri Lanka.
  • 1996   Presented red rabbit carving made of African red stone weighing 9.5 kgs. to H.M. the King on the occasion of 50th Anniversary on behalf of Chantaburi people.
  • 1999-2000  President of Gems and Jewelry Club of Chantaburi.
  • 1999-2003  Deputy Chantaburi Chamber of Commerce, Gems department.
  • Special Lecturer  Chiangmai, Srinakarintaraviroj, Burapa University
  • Advisor AIGS Lab
  • 2002  Advisor Chantaburi Gems and Jewelry Association.
  • 2004  President of KuenRakKaewSoo Din Association
  • 2006 Chairman of Advisory Board  Chantaburi Gems and Jewelry Association
  • 2007  Published “Tam Roy Ploy Chan” .