Pyongyang, October 25 (KCNA) -- The metallurgical industry is continuously strengthening the production foundation, giving priority to science and technology.
The Hwanghae Iron and Steel Complex has introduced the technology of measuring the slag level into the oxygen heat blast furnace and is actively drawing on advanced sci-tech achievements to perfect the current production lines.
The Chollima Steel Complex has introduced the oxygen-pulverized coal injection technology into UHP electric arc furnace in close cooperation with a scientific research institution, thus opening up prospects for saving time and electricity needed for steel making line and lowering the standard of material consumption per unit.
The Puryong Ferroalloy Factory has developed an additive essential to electrode production and established the manganic ferroalloy production process using low-grade ore. -0-
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