Those at the Kaesong Ceramic Factory, in cooperation with field technicians and workers, developed a kiln automatic thermostat and automatic raw material supply device to revitalize the tile production based on locally available raw material.

Those of the Kaesong Textile Mill played a role in accelerating the technical upgrading of existing equipment and increasing production with their original idea and bold practice.

Thanks to the painstaking research and efforts of three-revolution team members, the Songdo Foodstuff Factory has saved manpower and improved the quality and productivity by introducing a rational method of raising the activity of stock fungus in the diastatic enzyme and a cold water level alarm device.

Similar achievements have been made by three-revolution team members active at the Kaesong Condiments Factory, the Kaesong Koryo Insam Processing Factory and other units.