Floor spring dorma can be used with corresponding installation accessories to meet the application requirements of doors of different materials, including glass doors, wooden doors and profile doors. Display features: 1. Small size: easy to install, time-saving and labor-saving, the opening size is very small, saving installation time and labor costs. At the same time, it also reduces transportation and storage costs and saves storage space. 2. Double engine technology: Although small in size, it is powerful to close the door. 3. Anchang technology: protect the door body and use it safely. Anchang technology can reduce the risk of damage to the glass door due to strong wind or excessive closing force.