... anodized & powder coated color aluminium tubeSpecificationsRound(Square) Aluminum Tube: 1)ISO9001:2008 2)CNC machining 3)Good quality ... profile, furniture aluminium profile, heatsink, solar panel frame, aluminium radiator, tube, bar, pipes and so on for many years, and ... box different packing can be required by customersSpecificationsround aluminum tube,used for sound box with high precision and large ...