Hanoi, Oct. 29 -- State President Luong Cuong and a high-ranking delegation of Vietnam left Hanoi on October 29 morning for the 32nd Asia-Pacific Economic Cooperation (APEC) Economic Leaders' Week in Gyeongju city and bilateral activities in the Republic of Korea (RoK). Their trip, from October 29 to November 1, is made at the invitation of RoK President Lee Jae Myung. The delegation accompanying the President includes Deputy Prime Minister Bui Thanh Son, Chairman of the Presidential Office Le Khanh Hai, Minister of Industry and Trade Nguyen Hong Dien, Deputy Minister of Science and Technology Bui The Duy, and Chairman of the An Giang provincial People's Committee Ho Van Mung, among others. Vietnam officially became a member of APEC at th...