?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Industrial door
⊙Industrial door
⊙Rapid accumulation door
⊙Rapid roll door
⊙Perspective door
⊙Hard door

Door plank material chooses double hot dip galvanized steel plates embossed, surface pressure have uniform on shape stripe, core department for polyurethane material, door plank back there is a steel reinforcement.
Door plank specifications
Door plank surface polyester processing,
Width: 2440 mm-12000 mm
Height: 2130 mm-7300 mm
Thickness: 40 mm-50 mm
Thermal resistance coefficient = 14.96, 18.25
Track specifications There is a 2 inches (51 mm) and 3 inches (76 mm) two, all using 1.5 3 mm thick galvanized steel plate, standard rail, Leo, high ascension rail, vertical ascension rail and inclined tent ascension rail.
?Balance system: the outer twist spring balance system
?Twist spring

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