The product after 2000 edition ISO9001 quality system authentication. A cold rolling hot rolling. Aluminum:Material 1060, 1100, 1050, 1145, 8011, 3003, 3004 ... 0.1 mm-220 mmWidth 800 mm-1900 mm2. Aluminum roll: (cold rolling hot rolling)Material 1060, 1145, 1050, 1100, 8011, 3003, 3004, ... (mm) width 800 1220 (mm0 eight, roll casting aluminum volume (cold rolled, hot rolling) thickness: 7 mm 8 mm 9 mm ...