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ID40mm-OD110mm Double Wall Corrugated Pipe Extrusion Line -
ID50-OD180 double wall corrugated pipe high speed extrusion line
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ID32-OD75mm double wall corrugated pipe high speed extrusion line
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ID32mm-OD110mm 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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ID90mm-OD315mm Double Wall Corrugated Pipe Extrusion Line
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High speed HDPE DWC Double wall corrugated pipe making machine
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110-250mm DWC Doule wall corrugated pipe making machine
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75-160mm DWC Doule wall corrugated pipe making machine
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