On July 11, 1961, the Treaty on Friendship and Cooperation between the DPRK and China was signed in Beijing on July 11, 1961, the Treaty on Friendship and Cooperation between the DPRK and China was signed in Beijing on September 10, 1961, and the Treaty decided that the two sides should further strengthen their friendship and cooperation to safeguard peace in Asia and the world in accordance with the principles of internationalism; that one side would be attacked by armed forces and that the other side would immediately give military and other aid; that the two sides would not participate in alliances, groups, actions or measures opposed to each other; that economic, cultural, scientific and technological cooperation would be developed, and that economic and technological assistance would be provided.