In September 1977, W. Jaruzelski  visited Mongolia and the DPRK. While in North Korea, Jaruzelski met with President Kim Il Sung and the Minister of National Defense O Jin U.  Although Jaruzelski did make several critical comments about the DPRK in his secret post-trip report, he still spoke in highly favorable terms about the country and generally recommended that Poland strengthen its relations with North Korea. 

Jaruzelsk's report also includes commentary on China's relations with both Mongolia and the DPRK.

Kim Il Sung describes a recent meeting with Mao Zedong, Peng Dehuai's "interference in the internal affairs" of the KWP, and his invitation for Mao to visit the DPRK, among other topics.

Report of the visit by DPRK officials to the PRC. This summary addresses the PRC’s and the DPRK’s relations with each other and their individual policies towards South Korea, it examines the issue of reunification and touches on the Sino-Soviet competition.

In a discussion between Mao Zedong and Ri Ju-yeon, Mao expresses a positive attitude toward China-North Korea relations, though indicates he is unaware that Kim Il Sung was then in the Soviet Union.