... Zn, Epoxy, Gold, and etc.Sizes: according to your requirementsShapes: disc, cylinder, sphere, block ,ring ,tile, arc, and etc.High ... ,000 to 30,000 Oe,BHmax: 35 to 50MGOe )Maximum working temperature: 80 to 200 degrees C Products technologhy: Applications:NdFeB ... are widely used in computers(voice coil motor of hard disc drive, pick-up of optical disk drive), mobile phones, wind generator, magnetic ...