... Magnet1. Magnetic properties: Sintered NdFeB magnet is one of the high performance rare earth permanent magnets, which use neodymium (Nd), ... -45SH, 30UH-40UH, 28EH-38EH, 28AH-35AH4. Shape: Disc(Cylinder), Block, Ring, Countersunk, Segment and more, trapezoid, irregular shape ... machine technicians, which can help to control well in quality, tolerance, process cost and delivery.9.Surface Treatment Method ...