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<title><![CDATA[EC21 Product Catalogs - deep hole drill head]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/deep_hole_drill_head--030409/1/deep hole drill head.html]]></link><item>
<title><![CDATA[Liner Hanger]]></title><link><![CDATA[https://saigaogroup.en.ec21.com/Liner_Hanger--11093688_11181034.html]]></link><description><![CDATA[head and surface casing load
3. Improve long-term cement cementing operations to prevent low-pressure leakage
4. Quickly and easily seal the open hole section and the old well deepening cementing
5. ]]></description><pubDate><![CDATA[20200622]]></pubDate></item>

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