With the improvement of the quality of life, people's pursuit of beauty is also higher and higher. As a necessity of life, home appliances become more and more important. In order to pay attention to the user experience, home appliance enterprises choose lighter and more beautiful materials. And aluminum alloy has become a very good material, its material is light, high hardness, can easily carry the weight of the main household appliances. Moreover, aluminum alloy is easy to form, low processing cost, surface can do all kinds of treatment, make it more corrosion-resistant, wear-resistant, easy to care, beautiful and generous.