Scientific researches active at universities and colleges
Teachers and researchers of
Kim Chaek University of Technology developed a dry-type dust collector increasing the pig iron production while extremely reducing the anthracite and oxygen consumption and introduced it into the oxygen-blast furnaces of Kim Chaek and Hwanghae iron and steel complexes.
The Pyongyang University of Transport and the Pyongyang University of Publishing and Printing Industry developed a comprehensive system of controlling the traction and braking forces of electric locomotives and a school bag decoration printing process by ink jet, enabling those units that introduced them to save the production costs by far.
Teachers at the Sunchon College of Engineering developed a plotter which can do the pattern making, the preceding process of the garment production, automatically.