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<title><![CDATA[EC21 Product Catalogs - opening roller]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/opening-roller--2644/1/opening roller.html]]></link><item>
<title><![CDATA[Manufacturers China Wholesale Rock Drilling Tool Offshore Oil Drill PDC Bit Used in Mines Oilfields]]></title><link><![CDATA[https://alicezhu1.en.ec21.com/Manufacturers-China-Wholesale-Rock-Drilling--11937244_11958335.html]]></link><description><![CDATA[opener,roller palm, drag bit etc, and also other drilling accessories.
We can design and manufacture according to customer’s requirement, and provide good quality and best price.
We have many custo]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Diamond Oil Drill Bit 5 Blades PDC Core Drill Bits 1 Year Warranty]]></title><link><![CDATA[https://oildrillbit.en.ec21.com/Diamond-Oil-Drill-Bit-5--11898552_11898553.html]]></link><description><![CDATA[Product Description:Oil Drill Bit is a versatile drilling tool used for drilling oil wells. It is available in two types: roller cone and PDC (polycrystalline diamond compact). Oil Drill Bit is suita]]></description><pubDate><![CDATA[20240207]]></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--11743960_11744667.html]]></link><description><![CDATA[open bearing roller bit2Standard open bearing roller bit, air-cooled3Standard open bearing roller bit with gauge protection4Sealed roller bearing bit5Sealed roller bearing bit with gauge protection6J]]></description><pubDate><![CDATA[20230310]]></pubDate></item>
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<title><![CDATA[Tricone Rock Bits, Rock Roller Bits, Roller Cone Bits, Three Cone Bits, TCI Rock Bits, MT Rock Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Tricone-Rock-Bits-Rock--10772776_10772786.html]]></link><description><![CDATA[open bearing roller bit
2. Standard open bearing roller bit, air-cooled
3. Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone
4. Sealed]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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