80-120KG Door Closer ,Door opener

60 to 85 KG High quality big size Aluminum alloy Door Closer / Door opener

This product is often named door closer or door opener. It's a mechanical device, widely installed on a door in order to support the door closing and opening slightly, preventing the door from slamming after someone open or close the door. 

25-45KG Aluminum alloy door closer

350 KG Automatic Swing Glass Door Operator

200 KG Automatic Swing Door Automatic Door Operator for Medical door、Framed glass door、frameless glass door、Wooden door