Threeway Steel Co.,Ltd

ssaw steel pipe,piling pipe,welded pipe,api 5l,welded steel pipe, Manufacturer and Supplier - China(CN)

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  • Large-diameter Welded Pipe
    Large-diameter Welded Pipe

    Description : Large-diameter welded pipe is the pipe welds, raw materials are mainly steel sheet and strip, large diameter straight seam welded steel pipe is used, the higher productivity of the kinds of steel, more used in more low-cost steel products one. Large diamet