1998
October: Minister for Trade, Han Duck-soo
1999
October: Minister for Trade, Han Duck-soo
2000
October: Vice Minister of Foreign Affairs, Ban Ki-moon
December: Minister of Construction and Transportation, Kim Yoon-ki
2001
February: Minister of Commerce, Industry and Energy, Shin Gook-hwan
August: Minister of Foreign Affairs, Han Seung-soo
2002
May : Minister for Trade, Hwang Doo-yeon
September: Minister of Construction and Transportation, Im In-taek
2003
April: Minister of Commerce, Industry and Energy, Yoon Jin-shik
November: Vice Minister of Foreign Affairs, Kim Jae-sup
2004
February: Minister of Construction and Transportation, Kang Dong-suk
2005
October: Vice Minister of Foreign Affairs, Kim Jae-sup
2006
November: Congressman, Kim Sung-gon
2007
March: Congressman, Kim Sung-gon
November: Congressman, Kim Sung-gon,, Chung Eui-yong
2008
May: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
June: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
July: Deputy Minister for Foreign Affairs, Lee Yong-joon
July: Deputy Minister for Multilateral and Global Affairs, Oh Joon
August: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
December: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
2009
May: 1st Vice Minister of Culture and Tourism, Shin Jae-min
May: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
October: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
October: Deputy Minister for Foreign Affairs, Lee Yong-jun
2010
September: Lawmaker of Republic of Korea, Seo Gap-won
December: Ambassador for Energy and Resources Cooperation, Shin Jae-hyun
2011
April: Supreme Court Chief Justice, Lee Yong-hoon
July: Chairman of Korea Communications Commission, Choi See-joong
2013
May: Congressmen, Chung Moon-won, Lee Sang-min, President of Korea-Iran Interparliamentary Friendship Group
May: Foreign Ministrys Deputy Minister for Political Affairs, Lee Kyung-soo
2015
June: 1st Vice Minister of Foreign Affairs, Cho Tae-yong
November: Minister of Foreign Affairs, Yun Byung-se
2016
February: Minister of Trade, Industry and Energy, Joo Hyung-hwan
April: Minister of Land, Infrastructure and Transport, Kang Hoin
May: President, Park Geun-hye
May: President of Korea International Cooperation Agency, Kim In-shik
August: Visit of young Korean diplomats
September: Head of Small and Medium Business Administration, Joo Young-sup
September: President of Institute of Foreign Affairs and National Security, Shin Dong-ik
October: 1st Vice Minister of Culture, Sports and Tourism, Jung Kwang-joo