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<title><![CDATA[EC21 Product Catalogs - column square tubes]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/column_square_tubes--2849/1/column square tubes.html]]></link><item>
<title><![CDATA[Prefab Metal Steel Structure Space Frame  Aircraft Hangar]]></title><link><![CDATA[https://19942021.en.ec21.com/Prefab_Metal_Steel_Structure_Space--11320715_11326895.html]]></link><description><![CDATA[column Beam B.Secondary Steel Structure: Q355B Q235B Square tube/ angle iron/ circular tube etcC.Purlin: Hot dipped galvanized C Z shape purlinD.Floor decking: Hot dipped galvanized 688 / 750 type de]]></description><pubDate><![CDATA[20210121]]></pubDate></item>
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<title><![CDATA[Easy To Install Steel Structure Industrial Workshop Buildings]]></title><link><![CDATA[https://clsteelstructure.en.ec21.com/Easy_To_Install_Steel_Structure--11618227_11618228.html]]></link><description><![CDATA[column cross bracing. It is usually made of round steel, angle steel or square tube. The bracing system is used to stabilize the steel frame.
3. Vertical rod
The vertical rod is connected between the]]></description><pubDate><![CDATA[20220809]]></pubDate></item>

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