... manufacturer 3.Shape:Customize 4.Coating; Nickel neodymium cylinder magnet Neodymium Magnets, NdFeB, Neodymium Iron Boron magnets ... and 30EH-38EH.\Shape:Disc, Ring, Block, Segment, Cylinder, Trapezoid, Customized shape.Magnet Polarity:Axially Magnetized, diametral Magnetized ... magnetized.Excellent Corrosion Resistance:Nickel, NiCuNi, Epoxy, Zinc, Tin, Ni-Ag, Ni-Au, Phosphate, Polypropylene, etc.High ...