Neodymiumndfeb magnetpermanent magnetNdFeB magnet is mainly made of Neodymium,Iron and Boron,with excellent magnetic property ,abundant raw material and reasonable prices,NdFeB magnet can be used as an ideal magnet in mini-motor,Permanent magnetic resonance,sound device magnetic suspension system,magnetic transmission machine and iatrical apparatus and etc.For NdFeB,its surface is ususlly treated method include Zine,Nickel,Tin,Sliver,Gold plating,phosphor and spray epoxy resin etc.