Aluminum plate refers to a rectangular material with a rectangular cross-section and uniform thickness made of pure aluminum or aluminum alloy materials through pressure processing (shearing or sawing). Aluminum materials with a width of more than 16m and a length of less than 16m are called aluminum plates or aluminum sheets, aluminum foil materials with a width of less than 0.2mm, and strips or strips with a width of less than 200mm.It is used in the manufacture of aircraft fuel tanks, oil pipes, traffic vehicles, ships, sheet metal parts, instruments, street lamp brackets and rivets, hardware products, electrical shell and so on.