rare earth Ndodymium magnet ring 1.material: NdFeB 2..grade ... rare earth Ndodymium magnet ringMagnet(NdFeB magnet) is made from Neodymium,Iron,Boron and some other transitive ... your requirementsShapes: disc, cylinder, sphere, block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 ... 200 degrees C Products Technology: Applications: NdFeB Magnet are widely used in computers(voice coil motor ...