Corrugated is the structural form of building materials, which can be made of a variety of special materials. It is mostly made of aluminum, which is used for anti-corrosion and thermal insulation. The dimensions of corrugated are divided into: A, B, C, E and F. Corrugated plate and corrugated aluminum plate are applicable to the roof, wall and internal and external wall decoration of industrial and civil buildings, warehouses, special buildings and long-span steel structure houses.
http://www.justucorrugator.com/corrugated-machine/