1 Tolerance 0.02mm 2 aluminum 6061 or 5052 supported 3 light weight and good-looking 4 small size Milling precision: 0.02mmGrinding precision: 0.001mmGood workers and strict quality controlMaterials: copper, aluminum, steel, stainless steelFinish: anodizing, electroplating, baking, electrostatic sprayColor: black or silverApplication: parts of device, jigs or any custom requirements.Our company ...