What material is good for the top of the new Chinese gazebo

The advantages of aluminum alloy for the top of the new Chinese pavilion:
1, light weight, high strength Use aluminum alloy material to build the pavilion convenient to use, can reduce the weight of the pavilion, aluminum alloy has a very high bending strength, profile concave and convex, made of new Chinese pavilion light and beautiful.
2、Good sealing performance Aluminum alloy is waterproof and wear-resistant.