Researchers of Kim Chaek University of Technology manufactured nozzle needed for producing milk powder. This nozzle, extruded by the injection of hard alloy dust, has no need for mechanical processing and has high heat resistance, corrosion resistance and endurance. Its life is much longer than that made of stainless steel.

Chongjin University of Medicine succeeded in developing digital target heating acupuncture device. The device makes it possible to maintain the temperature of a focal part for a certain time by adjusting the temperature of the tip of a needle at any terms. It can perfectly heal the intractable diseases on the body surface, including corn, verruca, piles and lymphoid disease, at an early stage.

The Tudan Duck Farm developed a new kind of growth promoter conducive to the development of poultry farming.