Post Tension Galvanized Spiral Flat Duct
Spiral corrugated flat duct, size can be customerized, 50mm*20mm,50mm*25mm,70mm*20mm,75mm*20mm; Thickness: 0.3mm,0.35mm, 0.4mm,0.45mm,0.6mm

Post tension Flat duct Forming machine
flat duct former, duct machine, Automatic cutting with specific length, like 5.8m,11.8m etc. Cross shape: Round, Flat, Oval. Galvanized strip: 186mm,216mm.

Post Tension Spiral Corrugated Duct Former
Post tension steel spiral duct former mainly used in prestressed bridge, railway, highway road, buildings, mainly making concrete grouting pipe.

Post Tension Oval Dcut making machine
oval post tenison duct is used for prestressed and post tension project, grouting concrete, no leaking. Duct Size: 43mm*20mm,50mm*20mm, 70mm*20mm, 90mm*25mm.

China specific post tension duct steel strip material
China manufaturing steel coil,steel sheet, specially used for post tension duct making. And there are also other width strip, 36mm,43mm,71mm,125mm,186mm, no matter how wide and thick, as customerized.

36mm hot dipped strip coil
36mm thin hot dipped galvanized strip, mainly used for post tension duct making machine. making round duct, flat duct and oval duct, diameter: 50mm,60mm,70mm,80mm,90mm flat duct: 50mm*20mm,70mm*20mm,90mm*25mm