* Cost effective, good quality with reasonable price.
* 2 million times of service life ensure stable and long-time use, low maintenance.
* External installation, easy to use, open and close automatically.
* Articulated arm, sliding arm & track are both available, inward and outward opening, can be mounted on hinge side and opposite hinge side.
* Small size, exquisite workmanship, beautiful appearance.
* Superior safety protection function, reverse against obstruction on door closing.
* One model suit both left and right hand doors, support building intercom system, access control system, wall switch, motion sensor, electric lock and remote controls
* Excellent wind resistance, wide application (hospitals, banks, high-end office buildings, residential unit doors, etc.)