Spiral Corrugated Post Tensioning Duct Machine | PT Tube Former Manufacturer

See the journey from feature description to real application in this concise overview. Watch as we demonstrate the Spiral Corrugated Post Tensioning Duct Machine in action, showing how it manufactures high-quality corrugated metal ducts for prestressed concrete structures. You'll learn about its double lock seam technology, wide diameter range capabilities, and see how it achieves high-speed production up to 15 m/min. Perfect for engineers and construction professionals working on bridges, highways, and precast concrete projects.