... earth magnets and permanent magnets.It is always manufactured via Wire Cutting and grinding etc .Regular Arc magnets or Segment ... www.magnets-materials.com to check.Product DescriptionNeodymium-iron-boron magnet is one kind of the permanent magnets. Material Grade of ... -(30SH, 33SH, 35SH, 38SH, 40SH, 42SH), Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH), Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH) Application ...