Customized Vertical Electric Garage Roller Door

◪1.The door has a built-in torsion spring, the torque and the door weight are equivalent, so that the door body is in the "zero weight" state, and the pulley is operated in the track, so the resistance is small, the energy consumption is small, the maintenance rate is low, and the durability is durable.
◪2.Resist the rebound and ensure the safety of people and vehicles.
◪3.Safe and firm, double-layer color steel plate, the total thickness of the door panel is 40-50 mm. The middle of the door body adopts the internationally recognized thermal insulation material - polyurethane.
◪4.There is an emergency lock for power failure and the switch is easy.