refinery furnace,LRF, Ladle Refining Furnace Efficiency Furnace Durable Furnace Top Quality and Lower Price ISO9001 Ladle refining furnace, Ladle furnace, LF, LRF, refining furnace (A). Main application ... primary melting furnace(electric arc furnace, open-hearth furnace, converter)to refining molten steel, which is an important metallurgical equipment to the continuous casting ...