Airbag protection system:The system supports the installation of airbag system. When the airbag touches an object when the system is closing, the system stops immediately, and then runs in the direction of opening the door until the door body stops running to the top.
Light curtain safety system: light curtain (parallel light speed) safety protection electric eye, both sides of the door frame are equipped with anti-radiation electric eye, there is an object under the door body, so that the door remains open, when the door body descends, there is an object passing below, the door body automatically opens to the most open position, especially when there is no obstacle below.