... our own magnet factory and magnetic applications factory 1.Name: motor magnets,:ISO9001:2008 and TS/16949 certificate.2. Material:Sintered ... NdFeB magnet.8.Effective Surface treatment to prevent corrosion,Nickel-Copper-Nickel (Ni-Cu-Ni) [standard], Epoxy, Zinc (Zn), Gold ( ... in 1984. Neodymium magnets were initially developed for voice coil motors in computer hard disk drives and this market still ...