... insulation fiber plates. Production range from conventional metal stamping, progressive stamping, deep drawing, welding, spot welding, tapping, ... Cutting machines,EDM Machines.2).Process:Conventional metal stamping, progressive stamping, deep drawing, welding, spot welding, tapping ... brass,Copper, according to customer request4).Finish: Nickel/ Gold/ Tin/ Silver/ Chromate/ Zinc plating, Anodizing, ...