The Unpha Mine has increased production by applying advanced working methods and tapping all internal reserves and potentials.

The Yongyu Mine has solved sci-tech problems by strengthening its sci-tech force and raised the operation rate of mining and dressing equipment to ensure the revitalization of production.

Riwon, Sijung and other mines, too, have over-fulfilled their daily quotas by improving the technical skills of miners and operating equipment at full capacity.