Manual damper damper - technical characteristics

1, according to the demand can be flexible adjustment of the size of wind.

2, the operation is simple and convenient;

3, combined structure, easy to install, remove and transport, can be reused;

4, the use of composite materials and glass fiber reinforced plastic coating, flame retardant, anti-corrosion, moisture;

5, product series, can meet the needs of different roadway ventilation and pedestrians;

6, the production process is in line with the relevant industry standards.