strong permanent magnet,high coercive force,the max operation up to 200 ... quality and on-time delivery 2. Material: NdFeB magnet, Neodymium magnet, Permanent magnet, Rare earth magnet, strong magnet, Neodyme magnet etc.3. Magnetic grades: N35-N48,35M ... widely used in Liner motor, stepping motor, voice core motor, DC micromotor, servo motor, blushless motor, wind turbine generator, magnetic bearing ...