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a P I 5L X70 Steel Pipe Tubular Pile Large Diameter LSAW SSAW Carbon Steel Pipe for Offshore Foundation Mining and Infrastructure Construction Projects, Find Details and Price about a P I 5L X70 Steel Pipe Tubular Piles Steel Pipe from a P I 5L X70 Steel Pipe Tubular Pile Large Diameter LSAW SSAW Carbon Steel Pipe for Offshore Foundation Mining and Infrastructure Construction Projects - Tianjin Hypile Foundation Engineering Co.,Ltd