The Taean Heavy Machine Complex accelerated the modernization of large lathes and other processing machines by its own efforts and technology to raise the machining accuracy and productivity of manufactured machines while dovetailing the processes.

The Ryongsong Machine Complex adjusted and improved the processes for making custom-built equipment to show higher enthusiasm for self-reliance since the start of the year.

The Ranam Coal-mining Machine Complex positively developed and introduced technologies for improving the quality of processed sheet metal and reducing the time of processing the parts to attain the satisfactory daily results.

The Rakwon General Machine Enterprise, the Sungri General Motor Enterprise, the Huichon Precision Machine Plant, etc, put spurs to the production while solving by themselves the problems of equipment and materials.