求购铝合金管材7075-T6

需要铝合金管材7075-T6 规格 ?50 mm x 0.9 mm 7075 - t6 52 mm x 0.9 mm 7075 - t6 42mm x 0.9mm7075 - t6 44mm .9mm7075 - t6 60 mm x 0.9 mm 7075 - t6 62 mm x 0.9 mm 7075 - t6