ASIA
Pakistan: Prime Minister Muhammad Nawaz Sharif
Afghanistan: Unspecified minister-level delegation
Azerbaijan: Economy Minister Shahin Mustafayev
Bangladesh: Unspecified minister-level delegation
China: President Xi Jinping
Iran: Minister of Economy and Finance Ali Tayebnia
Cambodia: Prime Minister Hun Sen
Indonesia: President Joko Widodo
Japan: LDP Secretary General Toshihiro Nikai
Kazakhstan: President Nursultan Nazarbayev
Kyrgyzstan: President Almazbek Atambayev
Kuwait: Minister of the Amiri Diwan Affairs Sheikh Nasser Sabah Al-Ahmad Al-Jaber
Laos: President Bounnhang Vorachith
Malaysia: Prime Minister Najib Razak
Maldives: Economic Minister Mohamed Saeed
Mongolia: Prime Minister Jargaltulga Erdenebat
Myanmar: State Counselor Aung San Suu Kyi
Nepal: Deputy Prime Minister and Finance Minister Krishna Bahadur Mahara
Philippines: President Rodrigo Duterte
North Korea: Confirmed to be sending an official delegation; the delegation will be led by Kim Yong-jae, the North Korean minister of external economic relations, according to a number of South Korean media reports
Russia: President Vladimir Putin
Saudi Arabia: Minister of Energy, Industry, and Mineral Resources Khalid Al-Falih
Singapore: Minister for National Development and Second Minister for Finance Lawrence Wong
South Korea: Ambassador to China Kim Jang-soo; Park Byeong-seug, National Assembly member for the Democratic Party
Sri Lanka: Prime Minister Ranil Wickremesinghe
Syria: unspecificed minister-level delegation
Turkey: President Recep Tayyip Erdogan
UAE: Dr. Sultan Ahmed Al Jaber, Minister of State and Group CEO of ADNOC
Uzbekistan: President Shavkat Mirziyoyev
Vietnam: President Tran Dai Quang
Thailand: five ministers: Minister of Foreign Affairs Don Pramudwinai, Minister of Transportation Arkhom Termpittayapaisith, Minister of Commerce Apiradi Tantraporn, Minister of Digital for Economy and Society Pichet Durongkaveroj, and Minister of Science and Technology Atchaka Sibunruang
Tunisia: Culture Minister Mohamed Zine El-Abidine
AFRICA
Egypt: Trade and Industry Minister Tarek Kabil
Ethiopia: Prime Minister Hailemariam Desalegn
Kenya: President Uhuru Kenyatta
North America
United States: Matt Pottinger, National Security Council senior director for Asia
South America
Argentina: President Mauricio Macri
Brazil: Secretary for Strategic Affairs Hussein Ali Kalout
Chile: President Michelle Bachelet
Australia/ OCEANIA
Australia: Trade Minister Steve Ciobo
New Zealand: Science and Innovation Minister Paul Goldsmith
Fiji: Prime Minister Josaia Voreqe Bainimarama
Europe
Belarus: President Alexander Lukashenko
Czech Republic: President Milos Zeman
Finland: Minister of Transport and Communications of Finland Anne Berner
France: Jean-Pierre Raffarin, chairman of the Committee on Foreign Relations, Defense and Armed Forces in the French Senate
Germany: Minister of Economic Affairs Brigitte Zypries
Greece: Prime Minister Alexis Tsipras
Hungary: Prime Minister Viktor Orban
Italy: Prime Minister Paolo Gentiloni
Romania: Deputy Prime Minister and Minister of Environment Gratiela Gavrilescu
Poland: Prime Minister Beata Szydło
Serbia: Prime Minister Aleksandar Vucic
Spain: Prime Minister Mariano Rajoy
Switzerland: President Doris Leuthard
Ukraine: unspecified official delegation
United Kingdom: Chancellor of the Exchequer Philip Hammond