... the aluminum strips are manufacture the blind curtain. aluminum alloy strips for blind curtainthe aluminum strips are manufacture ... We have 3 kind of round rods.The brand A2, its conditions is H12, the tensile ... electronic resistively is 0.02785 mm2/m. The brand A4, its conditions is H12, the tensile ... electronic resistively is 0.02801 mm2/m. The brand A6, its conditions is H12, the tensile strength ...