Aluminum cnc turning parts products 1.Standard:GB 6892-2000 .RoHS, 2.extrusion,anodized, polished 3.Material:6xxx series Aluminum alloy Turning parts Modular ... Colour:silver, red, black, blue, and so on.5. Technique procedures:die casting ,make mould,extrusion ,CNC (milling finish),cutting,anodized6. Certificates ISO 9001 ...