Yearly coal production plans have been fulfilled at coal mines across the country.

Miners of the Pukchang Area Youth Coal Mining Complex over-fulfilled their monthly and quarterly national economic plans for this year.

The Anju Area Coal Mining Complex conducted a high-speed tunneling movement to complete its yearly plan ahead of schedule.

The Kujang Area Coal Mining Complex, too, worked out stepwise and annual scientific plans for increasing the production capacity and arranged a show for generalizing the successes and experience of advanced units to successfully finish the yearly plan.

Such successes were witnessed at the Hamnam Area Coal Mining Complex and the Onsong Area Coal Mining Complex.