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<title><![CDATA[EC21 Product Catalogs - press stem]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/press_stem--2644/1/press stem.html]]></link><item>
<title><![CDATA[Oilfield Cementing Tools Float Collar &amp; Float Shoe]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Oilfield_Cementing_Tools_Float_Collar--9714769_9714948.html]]></link><description><![CDATA[pressure valve type. It has a high reliability.
The structures are similar between float collar (see picture 1) and float shoe (see picture 2). The lower end of the float collar is the pin connection]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[TCI(Tungsten Carbide Insert) Tricone Drill Bit for Hard Rock Formation Blasting Using]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/TCI_Tungsten_Carbide_Insert_Tricone--11743960_11744667.html]]></link><description><![CDATA[stem and rotates along with it, and drive cones to pressed on the rock. Each cone rotates round the axis of its leg and three cones simultaneously revolve around the bit center. The tungsten carbide ]]></description><pubDate><![CDATA[20230310]]></pubDate></item>

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