Big size custom 8000-10000 gauss permanent neodymium magnets with holes

Sintered neodymium-iron-boron(NdFeB) permanent-magnet material was developed in 1983. The major composition of NdFeB magnets is Nd2Fe14B. It is the highest magnetism performance permanent-magnet material at present, that can be made into the complex shape magnet, and cut.