... .Certificate:ISO9001,CE,ROHS,SGS Ceramic ferrite magnets Ferrite Magnet Material:Permanent MagnetFerrite Magnet, Rare earth magnetShape:Ring, Disk, Block, segment, ball, cylinder ... have been strictly inspected before shipment.Specification of ceramic ferrite magnets 1.The maximum operation up to 200 degree centigrade or ... , most competitive price for you!Picture show of ceramic ferrite magnets