Safe and Reliable Steel Fire Rolling Shutter for Office Building Internal Security

Safe and Reliable Steel Fire Rolling Shutter for Office Building Internal Security. Fireproof & Explosion-Proof: Explosion-proof grade <4 hours, suitable for fire protection zones. Wind & Weather Resistant: Typhoon-resistant, rain-proof, moisture-proof, sand-proof, and noise-isolating. Customizable Open Method: Supports both electric and manual open methods for flexible operation. High-Strength Material: Made of high-strength galvanized plate, aluminum zinc plated, or stainless steel. Fire Linkage Control: Features three-key electronic button control with fire linkage capability. Full Customization Service: Tailor-made for special specifications, dimensions, and usage environments. ISO9001 Certified Quality: Certified by ISO9001:2015 with 41 qualification certificates and 100% inspection. Comprehensive Warranty: 1-year warranty covering free maintenance and spare parts replacement for quality issues.