... ferrite magnets magnetic material, magnetic products, permanent ferrite magnets, segment magnet , bonded magnet, fridge magnet, motor ... : Neodymium-Iron-Boron(NdFeB), Rare Earth,Neodymium , SmCo, Alnico ,Strontium, barium, etc.2.Grade: Y20,Y25,Y30,Y30BH,Y35, N35-N52 ... customized4.Any special packing or other requirements magnetic material, magnetic products, permanent ferrite magnets