punching deep drawing part High quality RoHS compliance for export... punching deep drawing part for oem drawings .. Materials: Cold & hot rolled Steel ,Galvanized steel ,Stainless steel ,Aluminum alloy,Brass ,Copper ... , CNC WIRE EDM and some testing machines .Processing : Stamping , punching, Deep Drawing , bending , welding , threading , grinding , milling , machining , turning , assembling etc . ...