... .Certificate:ISO9001,CE,ROHS,SGS Ceramic ferrite magnets Ferrite Magnet Material:Permanent MagnetFerrite Magnet, Rare earth magnetShape:Ring, Disk, Block, segment, ball, cylinder ... 30.0-32.0 3.8-4Producing process of ferrite magnet: Certificates: FAQ:1.Q:Are you a factory or ... Quality is our life, the user is our God. Xinxin magnet people always attach great importance to quality controlling from the ...