ID: 57401 Radioing the central control room about pig iron production status from the blast furnace tap hole Free download Categories South Korea, POSCO Related items Loading wire rod coil onto ship at the port Cold rolled coils in storage View of exterior of steelmaking plant at night Steel plate on rollers Steel plate being rolled with engineer onlooking Hot rolled coils in storage Rolling steel sheet into coils Operating equipment to produce products in the hot rolling mill control room