... various shapes(segment, block, cube, cylinder, disc,ring,rod,sphere)with different grade We produce ... in various shapes(segment, block, cube, cylinder, disc, ring, rod, sphere, etc)with different gradeRARE EARTH ... strip casting, HDDR technology3. Magnetic properties: High coercive force, the max operation temp is ... . Rare Earth Magnet Ring - High Quality with Reasonable Price - Manufacturer Supply