Sintered ndfeb magnets Th magnets has the manufacturing capacity of 3000 tons annually, the main brands are: N45, n48, n50, n52; N45m, n48m, n50m; N41h, n44h, n46h, n48h; N40sh, n42sh, n44sh, n46sh; N35uh, 38uh, n40uh; N30eh, 33eh, n35eh, n38eh; N28ah, n30ah, n33ah etc.