... curtain wall110,130,150,160,170,210,220Special profile productVarietyAlloyTemperCircumcircle DiametermmStandardMin.Max.Metro profile6005A,7005T6180640GB/T19347High-speed ... etc of aviation industry. 2xxx,3xxx,5xxx,6xxx,7xxx series are wide-spread applied in automobile, metro, light ... insulated window & door, 5 series of profiles for visible-frame curtain wall, 7 series of profiles for hidden-frame ...