Magnets sintered , Material Grade: N33, N35, N38, N40, N42, N45, N48, 33H, ... , loudspeakers, Magnetic Door catcher, etc. 2) The coating of NdFeB magnet can be Zn, Ni, Ni-Cu-Ni, Epoxy. 3) Maximum ... 230c)4) Our factory can manufacture various sizes of NdFeB magnet according to the customer's requests or designs