They are a precious fruition of the spirit of self-reliance and self-development displayed under the guidance of the Workers' Party of Korea in the era of Mallima.

Present at the ceremony were Premier Pak Pong Ju, member of the Presidium of the Political Bureau of the WPK Central Committee and vice-chairman of the State Affairs Commission of the DPRK, O Su Yong and Pak Thae Dok, vice-chairmen of the C.C., WPK, leading officials and labor innovators of the production units, officials of the relevant units, ministries and national institutions, members of the February 17 Shock Brigade of Scientists and Technicians and Pyongyangites.

Pak Pong Ju made an address there.

He stressed it is thanks to respected Supreme Leader Kim Jong Un's tireless efforts and devotion that the Korean-style new type tractors and trucks could come into being as a proud creation representing the era of Mallima.

The ceremony goes to clearly prove that no one can ever block the road ahead of the DPRK advancing by dint of science and technology under the banner of self-development-first principle, the speaker said.

He called on every field and unit to wage a dynamic drive for increased production and creation in order to attain the goal of the five-year strategy for national economic development and thus register bigger successes in building a socialist economic power.

When he ordered the start of departure, Chollima-804 tractors, Sungri trucks and Chungsong-122 tractors began to leave the square.

Citizens along streets welcomed the procession of vehicles.