... aluminum, steel, stainless steel, carbon steel, copper, alloy.2. Finish: zinc plated, chrome, polish, nickel, etc ... length, 10m of max diameter.4. Tolerances: +/- 0.005mm.5. Process: metal fabrication, machining, welding, ... milling, grinding, chip formatting, rolling for cnc machining parts.6. Secondary process: assembly, surface and heat treatment ... 9. 100% inspection before packaging. CNC machine part