1.Grade:usually in 30H-48H,30SH-45SH,30UH-40UH, 2.High remanence,high intrinsic force and low temperature coefficient 2.Magnetizing Direction:Through thickness 3.Coating:Ni,NiCuNi,Zn,Sn,Au,Ag,Epoxy,ect. 4.Management Certification:ISO9001:2000:ISO/TS16949 5.Short lead time:10-15days