China stainless steel Extension doorChina Manufacturer

China stainless steel Extension door Introduction:

Having obtained tree national patents in this automatic extension door;
Using stainless steel to prevent erode and keep clean;
Using double-plane link lever to ensure balanced smooth movement;
The accessories made of PVC material is easy to install and crack phenomenon do not occur
Optional infrared detector device and anti-climbing device for defending to climb and bump;
Anti-wind hoot keep the gate working with no influence in heavy wind environment.
Locked automatically at any position and unlock after power off. It can stop working automatically when door meets with barrier.

If u need more infos, pls browse our websie www.tongshuaidoor.com or contact me directly thanks.