70mm Prestresse Galvanized Steel Strip Post Tension Flat Duct

70mm Prestresse Galvanized Steel Strip Post Tension Flat Duct. Customizable Length: Length is 5.8m/PCS and can be customized to meet specific project requirements. Galvanized Surface Treatment: Semi-rigid hot dipped galvanized metal duct ensures strong and durable performance. Wide Application Range: Suitable for bridges, viaducts, industrial buildings, dams, and mines. ISO and CE Certified: Certified with ISO9001, IATF16949, CE, and RoHS for high quality assurance. Fast Delivery Time: Normally 15-20 days for stock goods after receiving deposit or L/C. Manufacturer Direct Supply: Direct supply from manufacturer with over 29 years of experience. Free Sample Availability: Samples are offered free of charge, buyer pays express cost. Flexible Payment Terms: Accepts L/C, T/T, PayPal, Western Union, and other payment methods.