Oct 15,2014 Open Forum Trilateral Cooperation Secretariat (TCS) of China, Japan and the ROK A new impetus for regional cooperation arose at the third Korea-Japan-China trilateral summit held on May 30, 2010 on Jeju Island. Upon agreement among the three heads of government, the ROK, Japan, and the People’s Republic of China launched a Secretariat to strengthen and institutionalize trilateral cooperation, and in September 2011, the Trilateral Cooperation Secretariat […] Shin Bong-kil* ASEAN , ASEAN+3 , Northeast Asian economic region , regional cooperation organization , Secretariat , trust