N45 ring permanent magnet high (Br), high (Hcj) & high (BH), disc, N33-N45, 30M- ... , N45, N48), working temperature:80 deg. Magnet M-( N33M, N35M, N38M,),working temperature:100 deg. Magnet H-(N33H,N35H, N38H, N40H, N42H, N44H ... ,N46H,N48H), working temperature:120 deg. Magnet SH-(N30SH, N33SH ...