... , b): Coating: NICUNI and black epoxy. c): Used in industrial neodymium magnet,ndfeb magnetic material,magnet.a): Size ... Zn , Phosphated ,Gold, Silver, Epoxy etc.d): Use Nd material rather than Pr-nd ... make the property stable, It is wildly used in Motors, Wind energy, car, speakers, earphone , ... temperature co-efficient: ≤-0.45°Ch):Used in motors, auto parts and wind energyI):Production capacity ...