Punch-free automatic door closers are now very popular products. Because it can help people close the door automatically to the greatest extent, so you don’t have to worry about forgetting to close the door when you go out, and whether you close the door after get off work.
The
punch-free automatic door closer can be quickly installed with 3M glue-free and hole-free, the installation is very simple, and the stick is firm and does not damage the wall.
The
punch-free automatic door closer contains high-quality P12 steel wire rope, and has passed 50,000 tensile tests and rebound tests, which shows that it has a strong tensile force. 800G pull force is suitable for doors or doors with stronger closing force. Left and right doors, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors.
The features of punch-free automatic door closers include high temperature resistance, oxidation resistance, corrosion resistance, no rust, stability, wear resistance, weather resistance, hydraulic pressure, quietness, and safety cut-off devices.
