The Ryongsong Machine Complex has put efforts into improving the quality of products and introduced microwave dryer and other kinds of equipment.

The Taean Heavy Machine Complex established a process capable of producing welding rods and coatings of great economic significance with wide range of use.

The Pyongyang Electric Cable General Factory 326 is stepping up the manufacture of equipment for measuring the carbon content and dispersion of clothing materials used in the production of electric wires. The Pyongyang Bearing Factory finished the work for recovering the performance of grinding machines and has pushed ahead with the readjustment and reinforcement of machines and equipment.

The same is true of the Rakwon General Machine Enterprise, the Kangso Engine Accessory Factory and the Huichon Precision Machine Plant.