Fire Resistant Air Duct Machine, φ100-φ600mm

From concept to demonstration, this video highlights the evolution and practical outcomes of the Flexible Air Duct Machine with U-lock technology. You'll see a complete walkthrough of how this specialized machinery produces fire-resistant, telescopic ventilation ducts for industrial applications. Watch as we demonstrate the forming process, material handling, and real-world applications in tunnels, mining, shipbuilding, and smoke extraction systems.