President Xi Jinping sent a message to DPRK top leader Kim Jong-un on Friday as a senior Chinese official arrived in Pyongyang to attend the celebration of the 70th anniversary of the Workers' Party of Korea.

Xi, also general secretary of the Communist Party of China Central Committee, extended warm congratulations to Kim, the first secretary of the WPK, and through him to the WPK Central Committee, all of its members and all of the people of the Democratic People's Republic of Korea.

Over the years, Kim Jong-un, carrying forward the will of the late DPRK founder Kim Il-sung and late leader Kim Jong-il, has led the WPK and the people of the DPRK to achieve progress in developing the economy and improving people's livelihoods, among other achievements, Xi said.