permanent magnetic 1.ISO 9000/9001/9004/19011: 2000, ... size:63.5*5*2mm 4.Coatings:nickle permanent magnetic Magnet(NdFeB magnet) is made from Neodymium,Iron, ... cylinder, sphere, block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 to 14,500 Gs,Hci: 11 ... pick-up of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi system, auto motors, etc. Certifications ...