North Korea's Kim tells Xi Jinping in a letter he hopes to promote cooperation: Report

The letter was in response to congratulations Xi Jinping sent for the North Korea's founding anniversary this month.

North Korean leader Kim Jong Un has vowed to promote cooperative relations with China in a letter to President Xi Jinping, the North's state media KCNA reported on Sunday.

North Korean leader Kim Jong Un and Chinese President Xi Jinping. (AP file photo)

The letter was in response to congratulations Xi sent for the North's founding anniversary this month where the Chinese president had expressed his willingness to strengthen strategic communication and working-level cooperation.

"I believe ... the DPRK-China friendly and cooperative relations would steadily develop in conformity with the requirements of the new era and the desire of the two peoples in the future," Kim said in the letter sent on Thursday.

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