... 0.003mm 1.Material:Al 6061-T62.Standard:ISO9001:2000 3.Process:polishing,nickel,chrome plating,black anodize,clear anodize,blue ... communication,equiment,etcMachining facilitiesCNC lathe,CNC machining center,Thread rolling machine,drilling,Centreless grinding machine, Manual lathe,Surface grinding machine,etc cnc machining part