aluminum stamping part 1.Material:SUS,AL,SPCC 2.Tolerance:0 ... terminals, and insulation fiber plates. Production range from conventional metal stamping, progressive stamping, deep drawing, welding, spot welding, tapping, polishing, and ... Machines,Wire Cutting machines,EDM Machines.2).Process:Conventional metal stamping, progressive stamping, deep drawing, welding, spot welding, tapping, polishing, ...