... shapes(segment, block, cube, cylinder, disc,ring,rod,sphere)with different grade We produce ... various shapes(segment, block, cube, cylinder, disc, ring, rod, sphere, etc)with different gradeRARE EARTH MAGNET ... 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