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<title><![CDATA[EC21 Product Catalogs - three pdc]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/three_pdc--2644/1/three pdc.html]]></link><item>
<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[three cones simultaneously revolve around the bit center. The tungsten carbide inserts on the cone shell cause the formation to spall under the weight on bit and the impact load of cone rotating, the]]></description><pubDate><![CDATA[20230310]]></pubDate></item>
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<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[three collar valve on the valve tail will fall down automatically. The valve will press the valve seat tightly at the function of spring after the cement injection. And it will as a one-way valve fun]]></description><pubDate><![CDATA[20170304]]></pubDate></item>

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