NdFeB magnet high corrosion-resistant and coercive force, high product energy, max working temperature 80 deg, ... ,35M-48M,30H-45H,30SH-42SH,28UH-38UH 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 ...