... quality fast delivery RoHS compliance for export... metal punching part for oem drawings .. Materials: Cold & hot ... , Round Plate Machine, Punching Machine, Robot Welding Machine, Argon welding Machine, Plate Sheers, CNC Pipe Bender, CNC ... some testing machines .Processing : Stamping , punching, Deep Drawing , bending , welding , threading , grinding , milling , machining , turning , assembling etc ...