The quality of car aluminum used for car doors is only 10.2kg, while that of traditional steel doors is as high as 22.7kg, a drop of 55.1%. For the car door, car hood, and front and rear fenders of the car, the mature product currently developed is 5182 aluminum plate. Car aluminum 5182 aluminum plate has good stamping effect. From the perspective of customer response, after stamping, the aluminum plate has no cracks. 5182 aluminum plate, the thickness range currently produced by Haomei Aluminum can be 0.15-600mm, and the width range is 20-2600mm. (Customized according to customer needs).