We are ring ndfeb magnet manufacturer, we supply sintered ring ndfeb magnet, bonded ring ndfeb magnet, can also make other permanent magnetic material in ring shape, such as ferrite ring magnet, alnico ring magnet, smco ring magnet etc. All of them are permanent magnets, ndfeb, smco and alnico are rare earth magnets. We can produce all the magnets in various shapes, sizes and grade.