Generator Magnet Arc:Grade in N,M,H,SH,UH,EH series Coating:Ni,Cu,Ni,Zn, Sn, Ag, Work Temperature:upto 180 ... company can also optimize NdFeB magnet with consideration of its work environment(temperature, force, etc).The NdFeB magnet surface can be ... forward to seeing you in our factory also! Wind Power Generator NdFeB Magnet Arc 33UH