... widely used in industry area such as mini-motor Permanent magnetic resonance sound device magnetic suspension, DC motors, ... measurement according to our customerdemand.Product DescriptionMaterial Grade of NdFeB magnet: Magnet N-( N30,N33,N35, N38, N40, N42, N45, ... N28AH, N30AH, N33AH) Our factory can manufacture NdFeB permanent magnet in various size, according to the customer's specificationSurface ...