Officials of the Sunchon Area Youth Coal Mining Complex took innovative measures to increase the operation rate of equipment and paid attention to the welfare supply service to stir up the enthusiasm of coal miners.

The February 8 Jikdong Youth Coal Mine has increased coal production by introducing technical innovations to raise the blasting efficiency.

Workers of the Pukchang Area Youth Coal Mining Complex have produced hundreds of more tons of coal every day by increasing the proportion of mechanization at coal cutting faces.

The same is true of the Chonnae Area Coal Mining Complex.