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<title><![CDATA[EC21 Product Catalogs - twisted pipe extruder]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/twisted pipe extruder.html]]></link><item>
<title><![CDATA[HDPE Corrugated Pipes Price]]></title><link><![CDATA[https://lymes.en.ec21.com/HDPE_Corrugated_Pipes_Price--12043812_12043942.html]]></link><description><![CDATA[Introduction to HDPE Corrugated Pipe:
HDPE double wall corrugated pipes (double-layer twisted pipes) are one
mould profile two layer extrudings. Applies to rain water drainage, sewage
drainage in res]]></description><pubDate><![CDATA[20250219]]></pubDate></item>
<item>
<title><![CDATA[G-Type Finned Tube]]></title><link><![CDATA[https://longhuatech.en.ec21.com/G_Type_Finned_Tube--11825682_11825691.html]]></link><description><![CDATA[The aluminum fins are embedded in a spiral groove about 0.25~0.5mm deep on the surface of the steel pipe, while the metal extruded from the spiral groove is rolled back to the fin root.
The biggest a]]></description><pubDate><![CDATA[20230727]]></pubDate></item>

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