... the advanced and high-tech machines, we are capable of producing tight tolerance machined parts as per the ... zinc, copper, brass, plastic etcMachining process:CNC machining, milling, turning, drilling, planning, welding, laser cuttingSurface treatment:Polishing, chrome/zinc ... etc.File Formats:Pro/Engineer, SolidWorks, Unigraphics, Auto CAD (IGS, STP, STL and X-T) Precision Aluminum Machining parts