Industrial rail ferry transfer cart is a kind of electric material handling transfer vehicle, which can be used for assembly line (ring production line, ring production line), metallurgical industry (ladle), warehouse transportation, shipping industry (repair, assembly, container transportation), workshop workpiece transportation, Lathe transportation, steel plants (steel billets, steel plates, steel coils, steel pipes, steel sections, steel structures), construction (bridges, simple buildings, concrete, concrete columns), petroleum industry (oil pumps, sucker rods and parts), energy (polysilicon, Generators, windmills), chemical industry (electrolytic cells), etc.