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<title><![CDATA[EC21 Product Catalogs - pre roll joint tubes]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/pre_roll_joint_tubes--261305/1/pre roll joint tubes.html]]></link><item>
<title><![CDATA[Spiral Welded Pipe Mill]]></title><link><![CDATA[https://youli798.en.ec21.com/Spiral_Welded_Pipe_Mill--11873476_11873707.html]]></link><description><![CDATA[joints are located is examined by X-ray TV or film.
(13) Each steel pipe undergoes a hydrostatic pressure test, and the pressure is radially sealed. Test pressure and time are strictly controlled by ]]></description><pubDate><![CDATA[20231207]]></pubDate></item>

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