& Renqiu City Sanjian Door Industry's telescopic door is also called an electric telescopic door. It is a door that can be retracted and moved freely to control the size of the door opening and the interception and release of pedestrians or vehicles. The telescopic door is mainly composed of a door body, a driving motor, a slide, and a control system. The door body is made of high-quality stainless steel and aluminum alloy special profiles. It is hinged using the parallelogram principle and has flexible telescopic range. The driver is driven by a special motor, with a worm gear
for deceleration, and is equipped with an automatic clutch or a manual clutch. The automatic clutch can automatically open and close when the power is out, and the manual clutch can open and close manually during the power outage. The control system has control Board, button switch, and wireless remote control device can be equipped according to user needs.
Hebei retractable door