Xi, Kim exchange congratulations over 65th anniversary of Ch

BEIJING, July 11 (Xinhua) -- Xi Jinping, general secretary of the Communist Party of China Central Committee and Chinese president, and Kim Jong Un, top leader of the Democratic People's Republic of Korea (DPRK), on Saturday exchanged congratulations over the 65th anniversary of the signing of the China-DPRK Treaty of Friendship, Cooperation and Mutual Assistance.