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prestressed corrugated pipe making machine,single walll corrugated pipe machine,prestressed pipe for bridge drainage,plastic pipe machine
Prestressed plastic corrugated pipe has round and flat shapes.They are mainly used in concrete structures.The product of this machine are widely used in projects with concrete such as cloverleaf junction of expressway,viaduct,railway,bridge and so on.
When changed cetain moulds and mould blocks,this extrusion line can be used to PP,PE,EVA,PVC corrugated pipes,etc

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