... 4.meet:ISO9001:2000 , CTI Test magnetic NdFeB disk Magnet(NdFeB magnet) is made from Neodymium,Iron,Boron and some other transitive ... temperature: 80 to 200 degrees C Products technologhy: Applications:NdFeB Magnet are widely used in computers(voice coil motor of hard ... , Hi-Fi system, auto motors, etc. Certifications:ISO9001:2000SGSCTI NdFeB Magnet Disk Magnetic plate