1. Type:  Post-Tension Corrugated Duct 

2. Shape: Flat and Round

3. Diameter:    Round:from 50 mm to 90mm.

                           Flat    : from 35 mm to 80mm.
 

4. Application:  prestressed concrete structure, such as the large span railway and highway, bridge,  crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc

5. Samples: We are free to provide you sample for your check

A: Please tell me do you need plastic(HDPE) ducts or metal ducts?

B: What is your required size and diameter?