Chinese manufacturer Spiral surface plastic corrugated ducts for bridge construction
US $26000-29000 / set
Min. Order: 1set
HDPE Spiral forming machine spiral corrugated duct forming machine in pipe making machinery
US $26000-29000 / set
Min. Order: 1set
Chinese manufacturer Spiral surface plastic corrugated ducts for bridge construction
US $26000-29000 / set
Min. Order: 1set
Prestressed Post Tension round Spiral plastic Corrugated Duct price from China ManufacturerPrestressed
US $26000-29000 / set
Min. Order: 1set