1)high intrinsic coercive force 2)high quality with satisfied price 3)certification: ISO9001:2000, SGS ROHS,Etc 1 ... ) high intrinsic coercive force 2) high quality with satisfied price3)certification: ISO9001:2000, SGS ROHS,Etc 4) ... ,servo motors (with segment magnets).Speaker parts (with ring magnet).Sensors part.Magnetic coupling(with segment magnets)Magnetic chuck (with big blocks magnet ...