... date,It has excellent properties of high remanence,coercivity,and Max.energy product. China Magnets gradeN35,N38,N40,N42,N45, ... N48,N50,N52(Max.operational temperature: 80c)N33SH,N35SH,N38SH,N40SH,N42SH(Max.operational temperature:150c)N28UH,N30UH, ... N33UH,N35UH,N38UH(Max.operational temperature:up to 180c)N28EH ...