... Ni-Cu-Ni Coating 3.ISO9001:2000, SGS, CTI... Magnet(NdFeB magnet) is made from Neodymium,Iron,Boron and some other transitive ... etc.Sizes: according to your requirementsShapes: disc, cylinder, sphere, block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 ... : 80 to 200 degrees C Products Technology: Applications: NdFeB Magnet are widely used in computers(voice coil motor of hard ...