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<title><![CDATA[EC21 Product Catalogs - rotating screw jack]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/rotating-screw-jack--074902/1/rotating screw jack.html]]></link><item>
<title><![CDATA[Scaffolding Leveling Base Jack]]></title><link><![CDATA[https://gdscaffold6.en.ec21.com/Scaffolding-Leveling-Base-Jack--11865997_12038722.html]]></link><description><![CDATA[Jack Base
The construction screw is a transmission element with a helix, consisting of a screw and a nut. Its main function is to drive the nut to move up and down through the rotation of the screw r]]></description><pubDate><![CDATA[20250122]]></pubDate></item>

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