... aging, fastness, easy installation.3. Utility: machinery, autos, equipments.4.Surface treatments:deburr,polishing, ... edges,ball blasting, sand blasting.;3.Machining: cutting,CNC machining, milling, drilling, griding,punching,screwing ... painting,powder5.Packing: Plastic film and kraft paper wrapped, or as per customers requirement3. ... ,Better service,Better world! high precision aluminium machine part