aluminium machine part 1.material:6061 2.for machinery,autos,equipments 3.surface:deburr,polishing,sandblasting,nickel plate aluminium machine part1.material:60612. Resistant ... :deburr,polishing,sandblasting,nickel plating,chrome plating,oxidation,plastic,spray-paint,ect.5 Packing: Plastic film and kraft paper wrapped, or as ...