We are a factory direct supplier of most kinds of Industrial sectional doors. Material: 1) The sectional door is made from joining together small sheets of high quality heat preservative PU sandwich panels. 2) The two sides of panel has galvanized polyester-painted good quality steel and the inner material is Poly-urethane. 3) High quality sandwich panel industrial door thickness is from 40 – 70mm. We can also provide different size on order. 4) Glass used in door window is either two-layer organic or high- tensile glass. It is available in both rectangular and oval shapes. Features & Usage: 1) The door is easy to open and close and it has less noise. 2) Easy to operate. One is “Manual function sectional door” another is Electric function sectional door” that uses a switchboard. 3) Our sectional doors are of reliable quality and are made according to European standard and demand. 4) Surface is beautiful and strong. The structure