... n35 3.coating:nickel 4.meet:ISO9001:2000 , CTI Test magnetic NdFeB disk Magnet(NdFeB magnet) is made from Neodymium,Iron ... : disc, cylinder, sphere, block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 to 14,500 Gs,Hci: 11 ... drive, pick-up of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi system, auto motors, etc. Certifications:ISO9001 ...