Corrugated plate is also called profiled plate, which is made of color coated steel plate, galvanized plate and other metal plates by rolling and cold bending into corrugated plate. It is applicable to the roof, wall and interior and exterior wall decoration of industrial and civil buildings, warehouses, special buildings, large-span steel structure houses, etc. It has the characteristics of light weight, high strength, rich color, convenient and fast construction, earthquake resistance, fire protection, rainproof, long service life, maintenance free, etc.