Corrugated board, also known as pressure plate, color coated steel, galvanized sheet metal sheet by roll cold-formed into a variety of wave pressure plate, It is suitable for industrial and civil buildings, warehouse, special construction, large span steel structure house roof, walls and interior and exterior decoration. A lightweight, high strength, color-rich, easy to use, such as earthquake, fire, rain, long life, maintenance-free features, has been widely applied. Many plastics extrusion molding corrugated board, now appears transparent, opaque coloring, as well as the multi-layer composite hollow. Because of its plasticity, it can better adapt to the requirements of a variety of architectural shape, but compared to the useful life of beautiful and durable performance superior color steel corrugated board.