Kim expressed "satisfaction" over the recent development related to the bilateral relations between the two countries, the KCNA said, apparently pointing to his surprise visit to Beijing last month and summit talks with Chinese President Xi Jinping.

Kim's recent trip to China was interpreted as a move to rally support from the North's closest ally before his planned summit talks with South Korean and U.S. leaders.

Kim is preparing to meet South Korean President Moon Jae-in on April 27 and is also expected to hold an unprecedented summit with U.S. President Donald Trump either in May or June.

Kim was quoted as saying that he "would positively carry forward and develop the traditional DPRK-China friendship into a fresh phase of development as required by a new era by further strengthening of the bilateral relations between the two parties including exchange of high-level delegations and undertaking the brisk cooperation and visits in various fields and sectors."

DPRK is the acronym of North Korea's official name, the Democratic People's Republic of Korea.

The KCNA said that Song expressed hope that the two countries would "make a fresh contribution to promoting the prolonged and stable development of their bilateral relations, providing the two countries and their peoples with happiness and ensuring peace and stability on the peninsula."

The state-run media also reported that Ri Su-yong, vice-chairman of the Central Committee of the Workers' Party of Korea, met with Song on Saturday and exchanged views on advancing bilateral relations based on the agreement made at the recent meeting of the leaders of the two countries. (Yonhap)