July 11, 1961 (May 29, 1901), "China-DPRK Friendship, Cooperation and Mutual Assistance Treaty, signed in Beijing.

July 1961, "China-DPRK Friendship, Cooperation and Mutual Assistance Treaty" signed in Beijing. With effect from September 10 of the same year. (����d��y����h�� $ �Ө�ry.c��m) the Treaty decided according to the principles of internationalism, the two sides further strengthen the friendly cooperation, maintaining peace in Asia and the world; party by the armed attack, the other party immediately do its best to give the military and other assistance; parties do not participate against each other League, Group actions or measures; development of economic, cultural, scientific and technological cooperation, given the economic, technical assistance, and so on.