... , iron Drilling, tapping, milling, turning Item name: aluminum partMaterial: aluminum, copper, iron, stainless steel etc.Process: drilling, ... parts, radiators, aluminum parts, precision parts) Surface treatment: sand blasting, anodized, polishing, chrome/nickel/galvanized/golden plating, lampworking ... or sample )Around 8 years experience in aluminum parts, skilled workers with honest & responsible ...