Silent electric lock that automatically locks after power failure. High and low voltage levels can be customized Detect elevator doors, opening and closing can be adjusted to be audible or silent. Emergency triangular wrench for elevator failure,turn clockwise to open.

Glass installation method: The backpack side is installed with external glass, and the other shafts are installed, which can be removed separately.

Suitable for mainstream door machines and landing door devices, special sizes can be customized

Hydraulic elevator door with smooth hydraulic drive, to ensure quiet, reliable opening and closing, both safety and protection, and elegant aesthetics.

Motor-driven elevator dedicated ultra-quiet lock, built-in American standard hidden door closer