... 4.Customized Sintered RareEarth NdFeB Magnet: is one of the high performance rare earth permanent magnets, which use neodymium (Nd), iron (Fe ... ), and boron (B) as their main ingredients.1. The NdFeB magnet ... . Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene and so on.8. Advantages: a) High energy b) Very high Hc and ...