... and the most powerful and advanced commercialized permanent magnet today. NdFeB has high coercive force, high energy and high performance.Neodymium ... high quality NdFeB magnets with various grades, size and shapes (block, arc, cylindrical, disk, ring, etc...) according to ... 30SH-45SH, 28UH-42UH, 28EH-38EH and 30VH-33VH.Shape of MagnetsBlock, Disc, ring, Segment, Arc, Cylinder, Round, etc.CoatingZn, ...