Casting Crane: for lifting hot metal into the mixer furnace, steel-making furnaces and the lifting of a continuous ingot casting molten steel into ingot molds for equipment or use. Master Sheng car lifting barrels, Sheng, deputy car to flip bucket and other auxiliary work, in order to expand the use of the Deputy hook and better services for the steel-making process, main, Deputy hook were arranged in their respective car to run an independent body's main , Vice small-car, respectively, along their respective orbits. There are four common structural form of four track-type beam and four beam 6 rail type.