... in mutual inductor 4.OEM is ok 5.nickel coating Item nameshuntsSpaceOver 7000 square metersPunchesOver 130 sets ... parts.MaterialStainless steel, iron ,aluminum alloy, red copper, brass, bronze alloy, etc are availableProcessstamping, deep drawing, welding ... sound ,car GPS ,Car chargers, etc.Coatingnickel plating, zinc plating, color zinc plating, acid pickling, etc.PackingCartons, honeycomb carton, ...