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<title><![CDATA[EC21 Product Catalogs - standard roller]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/standard_roller--2644/1/standard 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[standards, carefully select materials, refused to jerry-built, reliable quality.
Good wear resistance：
The roller bit has the function of abrasion resistance, crushing and shear crushing of formati]]></description><pubDate><![CDATA[20240627]]></pubDate></item>
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<title><![CDATA[Best Selling Worldwide PDC Bit Steel Pdc Mill Drilll Bit for Limestone]]></title><link><![CDATA[https://yalunzuntou.en.ec21.com/Best_Selling_Worldwide_PDC_Bit--11940816_11946784.html]]></link><description><![CDATA[standards, carefully select materials, refused to jerry-built, reliable quality.
Good wear resistance：
The roller bit has the function of abrasion resistance, crushing and shear crushing of formati]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[735 Mining Drill Heads, Tungsten Carbide Rock Drilling Cone Bit for Hard Rock Formation High Quality]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/735_Mining_Drill_Heads_Tungsten--11743955_11743956.html]]></link><description><![CDATA[Standard 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 pro]]></description><pubDate><![CDATA[20230309]]></pubDate></item>
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<title><![CDATA[Oilfield Thread Protector Drilling Well Drill Sucker Rod Polished Rod Pony Rod From China]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/Oilfield_Thread_Protector_Drilling_Well--11790563_11790613.html]]></link><description><![CDATA[standard sizes of sucker rods and polished rods.
Grade of steel including C, K, D, KD, H, HL, HY, etc.
Polished rod surface treatment including polishing and chrome plated layer, tungsten alloy layer]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[Briquetting Machine Wear Part Roller Assembly]]></title><link><![CDATA[https://gloria0322.en.ec21.com/Briquetting_Machine_Wear_Part_Roller--10299135_10299333.html]]></link><description><![CDATA[Roller Assy
Product Description
-- OEM service:Products with Customers&amp;#39; Designs 
-- Strong Machining &amp; Heat Treatment Abilities 
-- Strict Quality Control 
-- Export standard packaging &amp; Prompt D]]></description><pubDate><![CDATA[20170214]]></pubDate></item>
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<title><![CDATA[Api Standard Rubber Sealed IADC 127 8-1/2]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Api_Standard_Rubber_Sealed_IADC--9714769_9714797.html]]></link><description><![CDATA[Products Specification
There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed]]></description><pubDate><![CDATA[20170304]]></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_Roller--10772776_10772786.html]]></link><description><![CDATA[Standard 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
]]></description><pubDate><![CDATA[20210520]]></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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