The Taean Heavy Machine Complex opened up a prospect for increasing the operation rate of equipment and the precision of processing 1.5 times.

The Kusong Machine Tool Factory manufactured Korean-style electrode-processing equipment by relying on its own technical force and production base.

The Ryongsong Machine Complex made progress in manufacturing machines and equipment by accelerating the work to perfect the production means in a technical way.

Officials and workers of the Ryangchaek Bearing Factory introduced CNC system into grinding machines and designed and manufactured an ultra-precision grinding machine by their own efforts and technology.

The Ranam Coal Mining Machine Factory established a new casting technology.