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<title><![CDATA[EC21 Product Catalogs - collar material]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/collar_material--2673/1/collar material.html]]></link><item>
<title><![CDATA[Oilfield Cementing Tools API Casing Float Shoe &amp; Float Collar]]></title><link><![CDATA[https://machinery14.en.ec21.com/Oilfield_Cementing_Tools_API_Casing--9182239_9182346.html]]></link><description><![CDATA[material is equivalent to API Spec N-80 
Yours Faithfully, 
Angela Oy (Sales Manager-Oilfield Equip. Dep.) 
Xi&amp;#39;an Shanglin Oilfield Equipment Co., Ltd 
Tel: +86 29 88368846 
Skype: ouyangangela 
]]></description><pubDate><![CDATA[20140912]]></pubDate></item>
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<title><![CDATA[Aluminium and Steel Surface Treatment]]></title><link><![CDATA[https://hu04020491.en.ec21.com/Aluminium_and_Steel_Surface_Treatment--10191818_10217252.html]]></link><description><![CDATA[material till painted, assembled finished products. Roof hatches, Floor doors, Wall and Ceiling door, etc. The other core competence is the surface treatment. We are able to treat steel and aluminium]]></description><pubDate><![CDATA[20170331]]></pubDate></item>
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<title><![CDATA[Cast Roll Rings, Sleeves, Rollers for Section Mills, Bar &amp; Pipe Mills (SGP Sleeves, Accicular Rings)]]></title><link><![CDATA[https://leonard851107.en.ec21.com/Cast_Roll_Rings_Sleeves_Rollers--11895855_11895911.html]]></link><description><![CDATA[collars in as-cast condition.
--HEAT TREATMENT
During the manufacturing process of rolls, many materials need to pass one or more heat treatment to further achieve the most appropriate mechanical pro]]></description><pubDate><![CDATA[20240131]]></pubDate></item>
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<title><![CDATA[30&quot; Hole Opener Rock Reamer for Horizontal Directional Drilling]]></title><link><![CDATA[https://azgreat25.en.ec21.com/30_Hole_Opener_Rock_Reamer--11503029_11503047.html]]></link><description><![CDATA[1.Main features
Forging shaft(50% rolled material spindle and 30% old drill collar spindle on the
market)
Customized cutters,
Composite seal, metal seal, various models are available
2.Our Advantage
]]></description><pubDate><![CDATA[20221011]]></pubDate></item>
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<title><![CDATA[EN 1661/14218 Flange Nuts]]></title><link><![CDATA[https://dtnut.en.ec21.com/EN_1661_14218_Flange_Nuts--11618173_11723298.html]]></link><description><![CDATA[manufacturers, we provide fastener material, heavy hex nuts
, structural nuts, hexagonal nut with collar, etc. For different types of fastener
or more information, please feel free to contact us!
]]></description><pubDate><![CDATA[20230208]]></pubDate></item>
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<title><![CDATA[Float Shoe]]></title><link><![CDATA[https://chinajixie.en.ec21.com/Float_Shoe--6936628_6936832.html]]></link><description><![CDATA[resistance for cement or mud flow back;
(4)Valve seat and valve body can effectively prevent cement from flowing back;
(5)Hardness of the materials for the body is equal to API N-80.
]]></description><pubDate><![CDATA[20170322]]></pubDate></item>

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