... alloy, tool steel, hard metal alloy. 2,Rare earth magnet, including sintered Neodymium-Iron-Boron, bonded Neodymium-Iron-Boron, ... , discs, rings and segments. 3,Ferrite magnet: Hard ferrite magnet and soft ferrite magnet including the MnZn and NiZn. 4,Die- ... . Other quality management SPC dada statistics., Advanced inspection equipments, Staff education, APQP FMEA , PPAP , SPC , MSA , 6 sigma , MIL- ...