... another kettle of 55-60% around the magnetic force, a significant reduction in the production cost ... of electricity Good selection of magnetic materials, SmCo rare earth permanent magnet materials ... mechanical airproof, 0-500AirproofMagnetic ,mechanical, fillingStiring typepushing type, turbine, anchor Dimension mm3005007008001000120013001500&1700180022002400material16MnR,304,321,316L ...