Aluminium coil/sheet stock for roofing mill finished made in China 1) Alloy:1050 1060 1070 1100 1200 3003 3105 5052 ... O3) Thickness: 0.25--0.6mm4) I.D of steel core : 75mm/150mm/500mm, according to customer's reqiurement5) Package : Standard ... : Room 1601,Building 3,Xinqingnian Square,Hangzhou City,Zhejiang Province,China. Aluminium coil/sheets stock for roofing