1)all-round service,high intrinsic coercive force 2)high quality with satisfied price ... ,Ni,NiCuNi, Au,Passivation Application: NdFeB magnets are generally used for motors, speaker, toys and electronics, sensors, transformers, winding machines, DVD ... on magnet for 10 years. Also we produce according to customer's design and provide excellent technical support for new project. Disc N50 ...