
Fine-Quality Automatic Control Steel Fire Rolling Shutter for Civil Building Fire Exits. Explosion-Proof Grade: Up to <4 Hours for enhanced safety in high-risk zones. Wind-Resistant Design: Typhoon-resistant, prying-proof, and sand-proof for coastal areas. Customization Options: Full customization available for dimensions, open methods, and designs. Fire Protection Standard: Complies with GB 14102-2005 with complete test reports. Durable Material: Made of high-strength galvanized plate with anti-corrosion properties. Warranty Coverage: 1-year warranty with free maintenance and spare parts replacement. ISO9001 Certified: Certified by ISO9001:2015 international quality management system. Fast Response Time: Issues handled within 24 hours via hotline or online service.