Local industrial factories in Ryanggang Province are striving to ensure domestic production and recycling of raw and other materials.
The Hyesan Footwear Factory established a production process that makes shoe soles from recycled plastic waste.
The Hyesan branch steel works applied silica and anthracite to the production of iron and steel and developed a fireproof material binder to increase the lifespan of furnaces, reduce the consumption of materials to the utmost and shorten the time of heats per hour.
The Hyesan Youth Mine established a new process for retreating ore residue which had been dumped as industrial waste in the past.
The Taehongdan County Potato-processing Factory devised and introduced a vacuum concentrator and built a starch syrup production line, while the Samjiyon Potato Farina Factory and Samjiyon Blueberry Drink Factory developed a technology for recycling different kinds of packing and plastic bottles.
Operating stations of mid- and small-sized power plants increased the electricity generation per ton of water by developing a new type of high-efficiency turbine.
The Hyesan Bag Factory and Taehongdan County Chemical Factory make a variety of daily necessities and plastic pipes with different sorts of by-products from the cutting processes.
All kinds of disasters caused by global warming
The World Meteorological Organization, in a report issued in January, noted that 2025 was recorded as one of the hottest years
March 13, 2026
The World Meteorological Organization, in a report issued in January, noted that 2025 was recorded as one of the hottest years
