It widely used in toys and Jewelry,you can play it at any different sharp in your mind. NdFeB magnet also known as neodymium-iron-boron,neo,neodymium magnet, neodym magnet,rare earth magnet,neodyme memagnet,neodymium rare earth magnet, it is one of permanent magnet. The merit of ndfeb is that it has excellent performance and cost ratil and good machinery feature of easy machining, Its demerits ...