N45 ring permanent magnet high (Br), high (Hcj) & high (BH), disc, N33-N45, 30M-45M, 30H-42H, 30SH-40SH, 28UH-35UH, 28EH-33EH ... N45 ring permanent magnetWe are well equipped to manufacture these materials ... NdFeB magnet: Magnet N-( N30,N33,N35, N38, N40, N42, N45, N48), working temperature:80 deg. Magnet M-( N33M, N35M, N38M ...