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ID40mm-OD110mm Double Wall Corrugated Pipe Extrusion Line -
Double layer corrugated pipe extrusion line
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40-110mm double wall corrugated DWC pipe making machine
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DWC Pipe Making Machine/High Speed Double Wall Corrugated Pipe Extrusion Line
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Double Wall Corrugated Pipe Extrusion Line
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HDPE Double Wall Corrugated Pipe Machine Manufactuing Plant
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50-180mm high speed HDPE DWC pipe making machine
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High speed HDPE DWC Doule wall corrugated pipe making machine
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110-250mm DWC Doule wall corrugated pipe making machine
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