Aluminium square tube Anodizing,mill finish Good quality Good price ISO 9001,SGS certificate Aluminium ... , 6061 T5 / T6 6082T5/T6, etc.2) Length<=6M3) Finish: Mill finish, anodized, powder coated, PVDF and so on, All colour ... ;FOB PortShanghai, etc.CapabilityAnnual output 30, 000 tons Aluminium square tube