Permanent sintered rare earth NdFeB material, used in all kinds of machines.
Producing magnet with grade N30 to N45 or with endure high  temperature of M, SH, H, UH, EH series
The coatings of magnets usually include Zn, epoxy, Ni, king, etc.

Application of NdFeB magnet: Toys, package, Printer, Switchboard, Phone, voice coil motors (VCM's) in hard disk drives, high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors, loudspeakers etc.