sintered NdFeB magnet-cylinder with small hole

1)Rare earth of sintered NdFeB magnet can be used in motor,louderspeaker,electomotor,sensor,magnetic separation.

2) Producing this type magnet with grade
Magnet N-( N35, N38, N40, N42, N45, N48, N50),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)

3) Coating of magnets:Zn,Zi,epoxy,ZnC,Cr,Black,Ni,Gold.

4)Shape:Tile,segment,block,disc,cylinder......