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<title><![CDATA[EC21 Product Catalogs - rational]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/rational--2644/1/rational.html]]></link><item>
<title><![CDATA[Impregnated Diamond Bit]]></title><link><![CDATA[https://hsaoxing.en.ec21.com/Impregnated_Diamond_Bit--11919761_11921306.html]]></link><description><![CDATA[ration and grade, as well as matrix hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the formation to be drilled. If user can make rational selections ]]></description><pubDate><![CDATA[20240405]]></pubDate></item>
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<title><![CDATA[Diamond Impregnated Bits, Diamond Core Bits, Impregnated Bits AQ BQ NQ HQ PQ]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Diamond_Impregnated_Bits_Diamond_Core--10772805_10772810.html]]></link><description><![CDATA[ration and diamond grade, matrix hardness and crown shapes etc. Matrix hardness, diamond size and dosing can be varied according to the rock which must be cut. If a driller can make rational selectio]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[API Oilfield Drilling Cementing Casing Spiral Casing Centralizer Non Welded Bow Type for Wholesale]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API_Oilfield_Drilling_Cementing_Casing--11790563_11790579.html]]></link><description><![CDATA[Casing centralizer is one of the necessary conventional casing accessories, upon well operations completion, the rational use of casing centralizer can play the role of:Reducing lower casing resistan]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[BQ Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/BQ_Impregnated_Diamond_Core_Bit--8382535_9984930.html]]></link><description><![CDATA[ration and grade, as well as matrix hardness type and crown shapes, which are selected according to the hardness and abrasiveness of the formation to be drilled. If user can make rational selections ]]></description><pubDate><![CDATA[20160520]]></pubDate></item>

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