... qualified quality of raw materials 2,alloy:1100,1050,1060,3003,3104,3102,5052,8011 aluminium rollsSpecifications1,aluminium roll be made by qualified ... quality of raw materials 2,alloy:1100,1050,1060,3003,3104,3102,5052,8011aluminum /aluminium roll description AlloyTemperProduct specifications:Thickness×width ...