Youth shock brigades of the Tokchon Area Coal Mining Complex are making a breakthrough in the advance. The members of the Kim Hyok Youth Shock Brigade at the Hyongbong Coal Mine completed the first half-yearly plan ahead of schedule.

Those of the Sunchon Area Youth Coal Mining Complex and Anju, Tukjang and Kujang area coal mining complexes, too, have recorded high results in their work every day.