Automatic Spring Door Closer for Fire Doors

This automatic spring door closer is suitable for fire doors, mall passage doors, apartment doors, security doors, hotel doors, and home doors. It has a closing strength of 30 degrees and a dual-speed closing speed. It is designed for doors weighing up to 35 kg and widths of 500-700 mm. The product is made in Zhaoqing, China, and is not for cross-border export.