... Strong anti-demagnetizat; 4)High quality, Sintered NdFeB Magnet 1)Suitable for marking small volume magnet with complex shape;2 ... )Regular shape, precision size,various coating; 3)Strong anti-demagnetization;4)Grade ... used in industrial automation, mine, motor, communication, petroleum, magnet separator, medical treatment, Hifi acoustics, computer, Aviation, testing ...