Material Grade of NdFeB magnet: Magnet N-( N35, N38, N40, N42, ... , N50), Magnet M-(35M, 38M, 40M, 42M, 45M, 48M), Ma Material Grade of NdFeB magnet: Magnet N-( N35, N38, N40, N42 ... ) The coating of NdFeB magnets can be Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI+AG, NI+AU.3) Our factory can also manufacture various ...