1. Type of molten steel furnace : The molten steel furnace is a power-saving type product, which adopts a half-bridge parallel inverter intermediate frequency power supply (voltage resonance , whether the electric furnace is cold state, hot state, plus half charge or full material, the half bridge parallel inverter can output the rated Power, power factor is constant at 0.9 6 . ) The molten steel furnace is safe and reliable, in line with national standards and related regulations.