Yang Jiechi, a member of the Political Bureau of the Communist Party of China (CPC) Central Committee and also director of the Office of the Foreign Affairs Commission of the CPC Central Committee, co-chaired the second China-U.S. Diplomatic and Security Dialogue with U.S. Secretary of State Mike Pompeo and Secretary of Defense James Mattis.

Chinese State Councilor and Defense Minister Wei Fenghe also participated in the dialogue.