The Kim Chaek Iron and Steel Complex, finding reserves for increasing iron and steel production in technical innovation, applied advanced methods to the operation of furnaces.

The Hungnam Fertilizer Complex put into practice various technical innovation proposals conducive to increasing the fertilizer production.

The Namhung Youth Chemical Complex has inspired its employees to resolve the technical problems arising in boosting production and promoting reinforcement.

Various thermal power plants direct efforts to introducing the technical innovation plans helpful to raising the efficiency of boilers.

The same is true of the Tokchon Area Coal-Mining Complex and the Kujang Area Coal-Mining Complex.