... quality and low price 4. good performance Rare earth magnet ballShape: Arc(segment), Block, Cube, Cylinder, Disc, ... Rod, SphereMaterial grade or magnetic propertes for sintered magnet:Normalgrade:N35~N50,N35M~N48M,N33H~N45H,N30SH~ ... PassivationWe are professional factory produce Magnet, NdFeB Magnet, permanent magnets, motor magnet, rare earth magnets, Neodymium magnet,magnetWe also produce according ...