ndfeb earphone magnet 1.Accept customized neodym magnet 2.Strong N35,38,42,45,48, N50,52 M ... magnets like sintered neodymium-iron-boron magnets called as neodymium magnet, ndfeb magnets, strong magnets permanent magnets, rare earth magents, and ... ferrite magnet, Alnico magnet, Smco magnet, rubber magnets, etc, . Our advantages are to produce ...