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ID40mm-OD110mm Double Wall Corrugated Pipe Extrusion Line -
Double layer corrugated pipe extrusion line -
ID32mm-OD110mm double wall corrugated DWC pipe making machine -
DWC Pipe Making Machine/High Speed Double Wall Corrugated Pipe Extrusion Line -
Double Wall Corrugated Pipe Extrusion Line -
HDPE Double Wall Corrugated Pipe Machine Manufactuing Plant -
50-180mm high speed HDPE DWC pipe making machine -
High speed HDPE DWC Doule wall corrugated pipe making machine -
110-250mm DWC Doule wall corrugated pipe making machine