The Steel Shop No. 2 of the Kim Chaek Iron and Steel Complex boosted the steel billet production by positively applying new furnace-operating methods while strictly observing the standard regulations of operation. And the shop is improving the quality of steel by using synthetic slag.

Steel and rolling shops of the Chollima Steel Complex made strides towards solving the technical problems arising in increasing the production of iron and steel and improving their quality.

The open branch mine of the Musan Mining Complex improved the efficiency of the parts and prolonged their durability by strengthening its own technical force. By doing so, it provided a sure guarantee for further increasing the operational rate of a rotary drill.

Through a vigorous mass technological innovation movement, the workers of Unryul and Jaeryong mines, too, are laying solid foundations for reenergizing the production.