Its officials concentrated tunneling force on major places and directed efforts to securing reserve coalfields by introducing advanced blasting methods in contact with a scientific research institute.

The Namdok Youth Coal Mine is now conducting a high-speed tunneling campaign and an emulation drive among shifts for producing much more coal.

Officials and coal miners of the Hoean Youth Coal Mine are carrying out their daily schedule by tapping reserves, possibilities and potentials and conducting continuous drilling and blasting.

Such productive surge is also witnessed at other coal mines.