... .coating:nickel 4.meet:ISO9001:2000 , CTI Test magnetic NdFeB disk Magnet(NdFeB magnet) is made from Neodymium,Iron,Boron and ... , and etc.High magnetic performance (Br: 11,000 to 14,500 Gs,Hci: 11,000 to 30,000 Oe,BHmax: 35 ... coil motor of hard disc drive, pick-up of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi ...