
Aluminum Alloy Fire Truck Curtain Manual Opening Rolling Shutter Door. Customizable Color: Door color is customized to meet specific project requirements. OEM/ODM Available: Professional factory supports OEM and ODM customization services. Durable Torsion Spring: Torsion spring life exceeds 20,000 cycles for long-term reliability. High-Quality Sealing: EPDM rubber seals prevent dust, rain, and cold air from entering. Easy Installation: Pre-assembled door with predrilled holes; manuals and videos provided. Professional Support: Online technical support from staff with over 10 years of experience. Certified Quality: Products certified with CCC, ISO9001, and CE standards. 3-Year Warranty: Comprehensive 3-year warranty coverage for peace of mind.