... is an alloy magnet made from Nd,Fe,B and other metal elements.It is with the strongest ... -48M,33H-48H,30SH-45SH,30UH-38UH and 30EH-35EH;4) Shape: ring,block,disc,bar ... ' request;6) Coating: Ni, Zn, gold, copper, epoxy and so on;7) Application: sensors, motors, rotors, wind turbines, ... generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on; Permanent Ndfeb Magnets