Ndfeb has high magnetic strength,relatively cheap cost ,relatively easy ... Sphere magnet/Lifting magnet/Chuck magnet etc .3. Magnetic grades: N35-N48,35M-48M,35H-45H,35SH-42SH ... motor, wind turbine generator,magnetic bearing,magnetic coupling, magnetic chuck, magnetic lifting, magnetic tooling, magnetic separator, loudspeaker, microphone, receiver, magnetic resonance imaging, medical equipment, sensor ...