This series is specially used for lifting and transporting heavy rail. As the heavy rail has become super-long and super-heavy today with the rapid development of railway construction, we took note at some important heavy rail projects in order to provide ideal product for users. The products have been used at professional heavy rail manufacturing factories and large railway track beam factories. This series which adopts" n "type of magnetic circuit and double wrapping structure has good property of heat dispersion and deep penetration and can be used to lift and transport heavy rail, profiled steel, beam blank. There are two kinds: normal & high temperature type.