... T5 or T63) Finishing: Anodizing, brushing, sand blasting, shot blasting, milling, polishing powder coating, nickel plating etc. 4) Application: computer CPU ... : CNC machines, bending machine, Automatic spark machine, line cutting machine, shearing machine, machine lathe, punching machine, argon-arc welding machine, butt-welding machine, squeeze riveter machine, nail inserting machine. 4. Surface ...