... in Europe and USA new design with many patent Permanent magnetic lifter:1.Widely used in machining,mould producing industry.2. ... permanent magnetic materials,strong in magnetic suction,patent circuit design,remanence almost zero.3.High safety factor,maximal breakaway force is 3.5 ... .5."V" style design at the bottom of lifter,can lift opposite round steel or steel board.6.Without electricity,magnetic ...