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