The Chinese People's Liberation Army has organized the 20th ASEAN Defence Ministers' Meeting Plus (ADMM-Plus) Experts' Working Group on Peacekeeping Operations in Nanjing, capital of Jiangsu province in East China. The member states and observer states of the ADMM-Plus, as well as the United Nations and the ASEAN Secretariat, have sent representatives. This conference is hosted by the PLA Army Command College. The 5-day event concludes on Saturday.