... ni-cu-ni,gold,epoxy SGS,ISO9001,ROHS Neodymium magnets mainly comprised of neodymium ,iron and boron,is the third generation ... high remanence,coercivity,and Max.energy product.Neodymium magnets gradeN35,N38,N40,N42,N45,N48,N50,N52(Max.operational temperature: 80c)N33SH ... )N30AH,N33AH,N35AH(Max.operational temperature:up to 230c)Neodymium magnets Outsanding product:1)high performance:N52,N48M,48SH,42UH, ...