Radiation ring: Ningbo XinFeng could supply different shapes of NdFeB Magnet, such as disk, cube, ring, cylinder, are(tile)
 Black epoxy magnet:
The most commonly produced material is neodymium-iron-boron (NdFeB). This group of magnetic materials provides the highest available magnetic energies of any material. NdFeB magnets allow small shapes and sizes with high magnetic fields. Energy product range from 33 MGOe to about 52 MGOe.