The Aluminum-Magnesium-Manganese roofing panel is a very cost-effective roofing material. It was first introduced from Australia and was originally used in some high-end places such as airports, railway stations and gymnasiums. Since the aluminum-magnesium-manganese roofing panel is very beautiful and environmentally friendly, light and easy to use, it has been used more and more in recent years. In some villas, factories, 4S shops, toll stations, etc., aluminum magnesium manganese is specified. Roofing panel material.