High speed spiral door is a new metal industrial door, which is used to keep warm, energy-efficient, efficient, anti-wind, the highest opening speed can up to 2m/s, apply to high frequented logistics channel. Economical and efficient, the High Speed Spiral sectional door, with electromechanical dri

The definition of high speed door is divided into two kinds: high speed spiral door(https://www.masterwellhk.com/Strong-Commercial-Security-Aluminum-Alloy-Spiral-High-Speed-Hard-Fast-Shutter-Doors-pd47080166.html) and high speed PVC door. Among them, high speed spiral door is what we often call the