... Which used rareearth element NdFeB & Sr0.nFe203 form magnet so magnetic field attract force strong.The series products had awarded patent ... belt conveyers,vibration conveyers etc.to remove 0.125-25kg magnetic objects from nonmagnetic materiaIs purify and grade up the materiaIs ... and on the same time recover various kinds of magnetic objects Which can be widely used in power.metallurgicaI, ...