... ,22A13,6061T450~1502x,4x,6x,7x seriesT650~150Provided large amount of aluminium rods and bars with high performance for passenger plane, helicopter ... , sky truck etc of aviation industry.alloys 2xxx,3xxx,5xxx,6xxx,7xxx series are ... China Ships Classification Society and approval from Lloyd's Register of Shipping, U.K . aluminium bars and rods