Our company is specialized in main manufacturing Ndfeb magnet, our products are exporting to many countries are so welcomed. ... , loudspeakers,invisible magnetic button and invisible magnet and other uses of magnets Material Grade of NdFeB magnet: Magnet N-( N35, N38, N40, N42, ... N45, N48, N50,N52), Magnet M-(35M, 38M, 40M, ...