... or Inner Radius, Degree of Angle, Thickness, Length, Round Edge etcProduct Description Neodymium-iron-boron magnet is one kind of the permanent magnets. Material Grade of ... , magnetic resonance imaging, sensors, loudspeakers etc. 2) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN ... , NI+AG, NI+AU. 3) Our factory can also manufacture various sizes of ...