Material:Neodymium-Iron-Boron Coating:Ni-Cu-Ni,Nickel,Zn,Gold,Cr,Silver,Copper Black,Epoxy,Chemical,PTFE Parylene Shapes:Disc,Cylinder,Block,Ring,Countersunk,Segment,Trapezoid,Irregular Shapes And Customized Made. Applications:Used In Many Fields, ...Read More