ndfeb earphone magnet 1.Accept customized neodym magnet 2.Strong N35,38,42,45,48, N50, ... n35 1.Introduction: neodymium magnet is well known as the third generation of rare earth permanent magnet2.Material Content of ... 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, . ...