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| Message: | Large Diameter Straight Seam Pipe,longitudinal Submerged Arc Welded (LSAW) ,Longitudinal Welded Pipes For Structural Applications,Longitudinal Weld SAW,Longitudinal SAW Large Welded API Pipes,Lare Diameter DSAW(LSAW PIPES),LSAW Gas Pipelines And Oil Pipes,LSAW WATER PIPES,Long.Welded SAW Steel Pipes url:http://www.huilitongpipe.com |
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