... , made from the stainless steel, tungsten, Iron-base alloy, tool steel, hard metal alloy. 2,Rare earth magnet, including sintered Neodymium-Iron ... and NiZn. 4,Die-cast component, made from zinc, aluminum, magnesium alloys. Other quality management SPC dada statistics., Advanced inspection equipments ... .Dimension and tolerance(drawing will be preferable) sensor_ ferrite magnet_MnZn alloy