... for export... stainless steel stamping part for oem drawings .. Materials: Cold & hot rolled Steel ,Galvanized steel ,Stainless steel ,Aluminum alloy ... stamping machine, Automatic Punching Machine, Round Plate Machine, Punching Machine, Robot Welding Machine, Argon ... Anodizing , Powder-Coating , Zinc-Plated , Chrome Coated , Nickel Plated , Hex Chromates Zinc , Rust-inhibiting oils , Electrophoresis ...