Yonthan County has computerized production processes of some factories. Its foodstuff factory has steadily boosted production after technological updating.

The county mass-produces toilet paper and Tongbaek-trademarked hair oil with locally available raw materials.

Yonsan County built a caustic soda factory by itself to supply enough caustic soda to paper and foodstuff factories in the area.

Its newly-built hydraulic power station helps operate local factories at full capacity.

Hwangju County invented a generator fueled by ultra-anthracite and rice chaff so as to supply electricity needed for production of consumer goods.

Unpha County built a shop for production of ceiling plastic sheets at its daily necessities factory.

Pongsan, Phyongsan and Sohung counties, too, are making big strides in developing local industries.