... , iron,aluminum 6063/6061/6005/6060 T5 or T63) Finishing: Anodizing, brushing, sand blasting, shot blasting, milling, polishing powder coating, nickel plating ... machine, squeeze riveter machine, nail inserting machine. 4. Surface treatment: Anodizing, powder coating, nickel plating, powder painting, chrome plating, zinc plating ...