... etc. Annular NdFeB magnet Shape: Arc(segment),Block,Cube,Cylinder,Disc,Ring,Rod,SphereMaterial grade of sintered magnet: Magnet N-(N35~N50 ... ),working temperature is 80 degree. Magnet M-(33M~45M),working ... winding machines, DVD/VCD, all kinds of motors. We are professional manufacture on magnet for 10 years. Also we produce according ...