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<title><![CDATA[EC21 Product Catalogs - core rig]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/core_rig--2644/1/core rig.html]]></link><item>
<title><![CDATA[CR25 Surface Core Drilling Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/CR25_Surface_Core_Drilling_Rig--11951642_11951651.html]]></link><description><![CDATA[CR25 Hydraulic Core Drilling Rig is reasonable in design, excellent in performance, easy for operation and convenient for maintenance. 
CR25 can be applied to both slant and vertical drilling. Being ]]></description><pubDate><![CDATA[20240614]]></pubDate></item>
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<title><![CDATA[Tapered Drill Rods]]></title><link><![CDATA[https://lyzs.en.ec21.com/Tapered_Drill_Rods--10557178_10012816.html]]></link><description><![CDATA[cored rolling process. The products are always in a controlled condition during production with stable quality. 
The yearly output of hollow steel is 30000 tons to 50000 tons, which are widely used t]]></description><pubDate><![CDATA[20171011]]></pubDate></item>
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<title><![CDATA[PDC Core Bits, PDC Coring Bits, BQ NQ HQ PQ PDC Bits, NQ3 HQ3 PQ3 PDC Core Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/PDC_Core_Bits_PDC_Coring--10772805_11384689.html]]></link><description><![CDATA[Polycrystalline diamond compact (PDC) core bits was originally introduced for oil drilling bits. The surface of the cylindrical shaped PDC cutters consists of premium synthetic diamond particles sint]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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