The beautiful Sine curve 780s corrugated steel sheet produces extraordinary light and shadow effects. The horizontally paved single panel comes with lines that are parallel to the visual line of both eyes, which complies with ergonomics with a sense of visual comfort. The horizontally paved economical panel comes with exposed screws and boasts great wind resistance. Lap joint at the trough to avoid obvious seams. The crisp and exquisite vertical seams are separated to make the building facade more impressive.The raw material is the aluminum-zinc coated steel panel, with a thickness of 0.53mm and a strength of 300MP.