Spiral Corrugated Post-Tension Tube Pipe Duct
Spiral Corrugated Post-Tension Tube/Pipe Duct Making Machine (Call us: Mobile No: +8613673713569) Features of 40mm to 160 Dia. Corrugated Spiral Post Tension Tube Making Machine (Call us: Mobile No: +8613673713569). 1. It is a new generation corrugated pipes making machine in China. 2. 5 Rollers, the before old machine is only 4 rollers.
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