● high speed from the closed: from the closed speed roll door is not less than 0.6m / s, can be adjusted within 0.6m / s ~ 1.5m / s range. ● Safe: can be installed on both sides of the door warning lights, turned off the blinking warning. The lower part of the door installed infrared protection, people, when the vehicle does not fall through the door. Pressure can be installed at the bottom of the balloon, the switch is more effective in preventing accidents, so fast rolling door operation safer. ● tightness: Brush door seals on both sides, dust insects, bottom with an elastic pvc fabric, can be closely integrated with a variety of uneven ground. ● Cold effect: ultra-cold at low temperatures are still high flexibility, personnel, vehicles and goods in and out easily, the barrier effect to prevent heating loss, a lot of power. ● Interlock function: to help improve the blocking effect, each device connected to the controller, to prevent both doors open simultaneously, that is, only when one door closes, another door it may open. ● more open the way: according to customer demand can choose radar, magnetic, optical, remote control, buttons and other means ● New door industry Lake introduction of foreign advanced technology combined with its experience in research and production of the actual production workshop warehouse fast rolling door having barrier heat, insects, wind, dust, noise, anti-odor and many other features.