... roof ISO manufactuer high quality warranty made by kaidi coated and embossed aluminum coil01) Alloy: 1100,3003,3004,3105,8011,etc ... lower than first grade11) No cracking and peeling,50kg/cm ,ASTMD-2794:1993.12) Flexibility (T-bend): 2T.13) MEK resistance: more ... than 5 micron.15) Packing: standard export packing in carton and wooden pallet,eye to wall, about 24 tons(12 rolls ...