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<title><![CDATA[EC21 Product Catalogs - string ball]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/string_ball--2643/1/string ball.html]]></link><item>
<title><![CDATA[Drill Pipe Wiper Foam Balls]]></title><link><![CDATA[https://merittr34.en.ec21.com/Drill_Pipe_Wiper_Foam_Balls--11284360_11284361.html]]></link><description><![CDATA[balls for drill pipes are in use in Pakistan oilfields since 2005Foam wiper balls be able to wipe the I.D of drill pipe or tubing strings of cement, fluids or debris. They will be used to separate fl]]></description><pubDate><![CDATA[20250322]]></pubDate></item>
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<title><![CDATA[Guide Shoes]]></title><link><![CDATA[https://saigaogroup.en.ec21.com/Guide_Shoes--11811606_11811613.html]]></link><description><![CDATA[SAIGAO GROUP
Guide Shoes are attached to the lowermost end of the casing string to provide a low-cost method of enabling the casing to pass ledges or obstructions in the well-bore, which aids bit re-]]></description><pubDate><![CDATA[20230626]]></pubDate></item>
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<title><![CDATA[API 11AX Standard Sucker Rod Pump for Factiory Price]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API_11AX_Standard_Sucker_Rod--11790563_11790779.html]]></link><description><![CDATA[string. the plunger assembly connected on the sucker rod string ,and with the up and down reciprocating motion, so as to realize the production process. Its advantage lies in: in the process of oil p]]></description><pubDate><![CDATA[20230516]]></pubDate></item>

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