70*20 Galvanized Sheet Metal Ducts for Prestressed Concrete
We produce metal corrugated duct in China. Our factory was founded in Tianjin China in 1994.
Model:flat, round
Found 2 products about
We produce metal corrugated duct in China. Our factory was founded in Tianjin China in 1994.
Model:flat, round
These 60mm*23mm galvanized corrugated ducts are often used for post tension slab.
Model:60mm*23mm