Supplier: NDFEB magnet covers n35-n52, n30m-n50m, n30h-n48h, n30sh-N45SH, 28uh-40uh, 28eh-38eh, alnico 3-alnico 9 for cast alnico magnet, and alnico3-alnico8hc for sintered alnico magnet; ferrite magnet covers y20, y25, y30 (c5), y30bh (c8) and y35 (c11)