
Heavy Duty Fire Rated Box Fan for Parking Lots. Centrifugal Smoke Exhaust: Uses centrifugal force to quickly discharge high-temperature toxic smoke in fires. High Temperature Resistance: Sturdy galvanized/aluminum-zinc construction ensures long service life in extreme heat. Customizable Models: Models can be customized for high-rises, underground garages, malls, hospitals, and industrial warehouses. Strict Fire Safety Compliance: Meets strict fire safety standards with reliable performance and low maintenance requirements. Durable Material Construction: Features galvanized profile frame, aluminum-zinc coated steel panel, and forward-curved impeller. ISO9001 Certified Quality: Manufactured under ISO9001 Quality Management System with 100% finished product inspection. OEM and ODM Services: Full customization, minor customization, and flexible customization options available from designs. Global Project Experience: Successfully applied in landmark buildings including Guangzhou Metro and Shenzhen Ping An Finance Center.