
Heavy Duty High Speed Spiral Door for Maintaining Stable Warehouse and Logistics. High-Speed Spiral Design: Rapid opening/closing reduces air exchange, improving energy efficiency and workflow. Advanced Safety Systems: Equipped with infrared sensors and obstacle auto-reverse for personnel protection. Durable Material Construction: Made from aluminum or galvanized steel with modern design style for long service life. Full Customization Support: Supports custom RAL colors, logos, intelligent controls, and non-standard sizes. 3-Year Warranty Coverage: Comprehensive 3-year warranty with online technical support included. Certified Quality Standards: Holds ISO9001 and CE certifications with strict raw material inspections. Low MOQ for Trials: Minimum order quantity is just 1 set, allowing for small batch trial orders. Secure Global Packaging: Multi-layer protective packaging with wooden boxes meets international shipping standards.