Trade union members of the Jagang Provincial Supply Coal Mine under the Kaechon Area Coal-mining Complex are making a great contribution to boosting the coal production by displaying loyalty and greater patriotic enthusiasm.

Trade union members of Joyang and other coal mines, too, launched a dynamic high-speed tunneling campaign to provide a sure guarantee for boosting the coal production in a far-sighted way.

The Pukchang Area Youth Coal-mining Complex is bringing about a surge in production while demonstrating the vitality of the mass movement for maintaining equipment.

The Namdok Youth Coal Mine has made a contribution to increasing coal production by raising the operation rate of equipment and conducting a dynamic technical innovation movement.

The Sunchon Area Youth Coal-mining Complex, the Tokchon Area Coal-mining Complex and the Tukjang Area Coal-mining Complex are boosting the coal output through various mass movements such as the campaigns in which one overtakes and learns from others and swaps experiences with each other.