... up to 200 degree centigrade or 380 curie temperature; 3) Grade:N33-N50,35M-48M,30H-45H,30SH- ... and 30EH4) Shape: ring,block,disc,bar and so on;5) Size: according to customers' request;6) Coating: ... Ni, Zn, gold, copper, epoxy and so on;7) Application:motors, sensors, microphones, wind turbines, wind generators, ... magnetic hooks, magnetic holder, magnetic chuck, common daily use, and so on