... 4.meet:ISO9001:2000 , CTI Test magnetic NdFeB disk Magnet(NdFeB magnet) is made from Neodymium,Iron, ... , block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 to 14,500 Gs,Hci ... to 200 degrees C Products technologhy: Applications:NdFeB Magnet are widely used in computers(voice coil ... of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi system, auto motors, ...