Ground Screw, Pipe Fititngs, Elbows manufacturer / supplier in China, offering Glavanized ERW Weled Steel Pipe, J55/K55/N80/L80/P110 Casing Pipe for Oil Well or Water Well, API OCTG Casing Pipe for Oil Well or Water Well and so on.
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The video content is the working process of spiral hammers which used to install ground screws.It makes
the installation more convinient and quickly.