Energy-saving Oxygen Heat Blast Furnace of Korean Style Built at Hwanghae Iron and Steel Complex, Comprehensive System for Producing Juche Iron Established at Leading Iron Producing Bases
Pyongyang, December 21 (KCNA) -- An energy-saving oxygen heat blast furnace of our own style has been successfully built at the
December 21, 2024
Pyongyang, December 21 (KCNA) -- An energy-saving oxygen heat blast furnace of our own style has been successfully built at the