We are well equipped to manufacture these materials to customers' specifications. Product Description Material Grade of NdFeB magnet: Magnet N-( N30,N33,N35, N38, N40, N42, N45, N48, N50,N52,N55), working temperature:80 deg. Magnet M-(N33M,N35M, N38M, N40M,N42M, N45M, N48M,N50M,N52M,N55M), working temperature:100 deg. Magnet H-(N33H,N35H, N38H, N40H, N42H, N44H,N46H,N48H,N50H,N52H), working temperature:120 deg. Magnet SH-(N30SH, N33SH, N35SH, N38SH, N40SH, N42SH,N45SH,N50SH), working temperature:150 deg. Magnet UH-( N30UH, N33UH, N35UH, N38UH,N40UH,N42UH,N45UH), working temperature:180 deg. Magnet EH-(N28EH, N30EH, N33EH, N35EH,N38EH,N40EH,N42EH) working temperature:200 deg. Magnet AH-(N28AH, N30AH, N33AH) working temperature:220 deg. Our factory can manufacture NdFeB magnet in various size and shapes(like block,arc,cylender,ring,bar ect.), according to the customer's specification Surface Treatments: Zinc, Ni-Cu-Ni, Epoxy, Gold, Silver, Passivation, and custom coating available upon request.