Description

Door pane(*0/*0mm thickeness)l:high quality powder coated steel +high density PU+ high quality powder coated steel
2. 2.0mm thickness Hardware with high quality and long uselife. 3.Surface finish: orange peel , wooden, plat, quadrel. 4.The door body, motor and torsion spring are made into one to make it perfect and reliable. 5.Special design of non-slip guide rail, both plays strengthen function, and can prevent inline skates out of orbit 6.The side and the top take the trough sealing strip to seal 7.Good spring balance system can keep door in balance state and operating smoothly   8.Seals: Flexible rubber seals are fitted to all four sides.
Advantage:    a. Open vertically upwards, parallel to the ceiling, make full use of space inside     b, Warm keeping, polyurethane injection free of Freon      c, sealing strip around and built-in, can prevent wind, sand, and rainwater from erosion      d,Provide multiple exquisite windows, with various specification, size and style        e,Perfect balance system