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By certification 
1.Grade: N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH, N28UH-N42UH, N28EH-N40EH, N28AH-N38AH.
2.Shape: cylinder
3.Coating:Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc.
4.Size:Customized size per your requirements.
5.Application:Motor assemblies, Automobile,Wind generator,MRI,Speaker,
Sound Equipment Earphone microphone ,Sensor, Scanner, Camera Lens,
Embedded Object,Magnetic separators, linear actuators, assemblies, servo
motors, DC motors (automotive starters), computer rigid disc drives,
2.Shape: cylinder
3.Coating:Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc.
4.Size:Customized size per your requirements.
5.Application:Motor assemblies, Automobile,Wind generator,MRI,Speaker,
Sound Equipment Earphone microphone ,Sensor, Scanner, Camera Lens,
Embedded Object,Magnetic separators, linear actuators, assemblies, servo
motors, DC motors (automotive starters), computer rigid disc drives,