An installation project of belt conveyors is progressing apace at the Sochang Youth Coal Mine and the Namyang Coal Mine of the Tokchon Area Coal-Mining Complex and at February 8 Jikdong and Chonsong youth coal mines of the Sunchon Area Youth Coal Mining Complex.

The Tokchon Coal-mining Machine Factory established new production processes in a short span of time, where production is now in full swing.

The Pukchang Coal-mining Machine Factory reinforced equipment needed for heat treatment furnace and improved overall technical conditions, thus increasing the life span of accessories of coal wagons, electric cars and other mining equipment.

The Kaechon Coal-mining Machine Factory has stepped up the work to increase the capacity of iron plate production processes in a planned way to produce the equipment for the face on demand.

The technical innovation for rejuvenating the repair and power-supply bases has been pushed forward at coal mines across the country.