On 24 May 2018, Secretary General Lee Hyuk met with the officials from the Ministry of Tourism in Cambodia. The two organizations discussed on ways to cooperate further on tourism investment in Cambodia.

The meeting was attended by the Minister of Tourism H.E. Dr. Thong Khon, Director General of Tourism Development and International Cooperation H.E Mr. In Thoeun, Deputy Director General Mr. Thong Rothasak, Director of Oversea Tourism Marketing and Promotion Department Mr. Lor Thoura, and Director of Tourism Investment Department Mr. Yin Nat of the Ministry of Tourism in Cambodia.