Automatic Heavy Duty High Speed Spiral Door for Exterior Docks

Automatic Heavy Duty High Speed Spiral Door for Exterior Docks. High-Speed Spiral Design: Rapid opening/closing speeds reduce air exchange and improve workflow efficiency. Advanced Safety Systems: Equipped with infrared sensors and obstacle auto-reverse for personnel protection. Durable Material Construction: Made from high-quality aluminum or galvanized steel for long service life. Energy Efficient Sealing: Excellent sealing reduces dust, air loss, and energy consumption effectively. Full Customization Support: Supports custom colors (RAL series), logos, and intelligent control upgrades. Robust Packaging Protection: Multi-layer packaging with wooden frames ensures safe global transportation. Certified Quality Assurance: Holds ISO9001 and CE certifications with comprehensive test reports. Low Noise Operation: Well-engineered structure provides smooth, stable, and quiet performance.