Aluminum magnesium manganese plate is a very cost-effective roofing, exterior wall materials. Aluminum alloy has been widely used in the construction industry, which plays an important role in the development of modern architecture toward the direction of comfort, light weight, durability, economy and environmental protection. AA3004 aluminum magnesium manganese alloy is widely recognized as roofing and exterior wall material with a service life of more than 50 years in architectural design due to its advantages of moderate structural strength, weather resistance, stain resistance, and easy bending and welding processing. In accordance with the architectural design of Marine climate, 5052 ship grade aluminum alloy materials with stronger corrosion resistance can be selected.