Various sectors of the national economy established a system of classification, collection, storage and treatment of the waste, etc. to make an effective use of it.

Thermal power plants get profits by producing insulating bricks with white soot and many factories, enterprises and coal and ore mines set up the process of recycling the waste like waste gas, waste heat, muck, plastic waste and scrap glass.

The Sunchon Leather Shoes Factory updated equipment to recycle tens of tons of waste rubber in one year and satisfies 80 percent of the demand for plastic with idle materials.

Daily necessities factories including the Pyongyang Daily Necessities Factory and the Pyongyang Mechanical Pencil Factory recycle plastic waste.

The Hamhung Building-Materials Factory saved a large amount of raw materials and fuel and produced one thousand and hundreds tons of cement by recycling industrial waste from other units and city waste.

Provinces, cities and counties properly set up the procurement system to collect idle materials and send them to relevant units.