... Grade: N35-N52, 35M-50M, 33H-50H, 30SH-45SH etc. Customized Shape&Size, coating Disc Neodymium magnetMaterial:Permanent MagnetSintered Neodymium-Iron-BoronNeodymium ... develop it under experienced engineer and passionate&studious sales team.Shape:Ring, Disk, Block, segment, ball,cylinder andAs the request of ...