New Product Sturdy and Durable Steel Fireproof Roller Shutter for Security Isolation

New Product Sturdy and Durable Steel Fireproof Roller Shutter for Security Isolation. Fireproof & Explosion-Proof: Explosion-proof grade <4 hours, compliant with GB 14102-2005 standards. Wind & Typhoon Resistant: High-strength galvanized plate designed for coastal and windy areas. Full Customization: Supports full customization, minor customization, and customization from designs. Multi-Opening Methods: Available in electric and manual open styles for flexible operation. 1-Year Warranty: Covers non-human damage with free maintenance and spare parts replacement. Fast Response Support: Issues handled within 24 hours via hotline or online customer service. ISO9001 Certified: Manufactured under ISO9001:2015 quality management system. Versatile Applications: Suitable for factories, garages, hotels, warehouses, and fire protection zones.