The thickness of the aluminum plate is more than 0.2mm, 500mm or less, 200mm width or more, the length of 16m or less of aluminum called aluminum plate or aluminum sheet, 0.2mm or less for aluminum, a width of less than 200mm or discharge material strip (of course with the advancement of large equipment, the widest 600mm exhaust timber can be done will be more). Refers to the processing of aluminum ingots rolled rectangular plate, divided into pure aluminum, aluminum alloy, thin aluminum, aluminum pattern in the thick aluminum plate ,aluminum checker plate.