Workers of the oxygen heat blast furnace shop of the Kim Chaek Iron and Steel Complex have reduced the melting time with reasonable working method while keeping technical rules in feeding raw material and fuel and blowing in oxygen and air, thus bringing about good results in the production of pig iron.

The oxygen separator branch factory is producing good-quality oxygen by introducing valuable technological innovations capable of increasing the oxygen production and improving the capacity of equipment including compressor.

The Chongjin Steel Plant and the Chongjin Steel Factory fulfill their daily production plans, putting spurs to attaining the iron and steel production goal.

The Puryong Ferroalloy Factory is increasing the production of molten iron per charge by reducing the overhauling period of the electric furnace and melting time in furnace while accelerating the production of raw materials.

The workers of the Musan Mining Complex are promoting the production of concentrated iron ore while raising the operation rate of equipment in the line of mining, conveying and concentrating ores based on the existing production base.