Aluminum circles are widely used in electronics, daily chemicals, medicine, culture and education, and auto parts. Electrical appliances, heat preservation, machinery manufacturing, automobiles, aerospace, military industry, molds, construction, printing and other industries. Such as kitchen utensils such as non-stick pans, pressure cookers, etc., as well as hardware products such as lampshades, water heater shells, stretched tanks, etc., are one of the most used aluminum alloy plate and strip deep-processing products.