Design and mechanical strength: The design of the semi-automatic 3-leaf elevator car door is of high quality and excellent mechanical strength. Among the features of these doors are their high safety and durability for elevator doors. Intelligent control system: The semi-automatic 3-leaf elevator car door is equipped with an intelligent control system. This feature can increase the efficiency and safety of the doors in high-traffic elevators. Reduced depth of the sills: Using modern technology, the depth of the sills has been reduced by up to 10 cm. This increases the usable area of ​​the space inside the elevator cabin, which is a great advantage for elevators with limited space.