The Posan Iron Works, together with a relevant unit, designed and produced a new blower to be installed in a revolving furnace, thus increasing iron production.

The February 8 Vinalon Complex pushes ahead with readjustment and reinforcement of manufacturing processes and equipment and putting the production of a variety of chemicals on a normal footing by attaching great importance to sci-tech development.

The Sunchon Thermal Power Plant has intensively overhauled the boilers and turbo-generators and increased the efficiency of equipment by relying on its own technical force, thus further strengthening the foundations for electricity production.

The Jangjingang?Power Station has exerted efforts on the work for installing a new-type exciter to raise the efficiency of generators, thus providing a guarantee for boosting electricity production.

The Kaechon Area Coal-Mining Complex and others in the coal industry sector invented and introduced rational working methods based on the state of the cutting faces and produced efficient machinery and equipment by themselves.

Officials and workers of coal mines share good experience with each other through invention exhibitions.

By waging a technical innovation campaign, those of the Sangwon Cement Complex produce iron balls needed for smashing raw materials and clinker by themselves.