Hebei Hebei Yanshan County Electricity Pipe-Fittings Pipe Co.,Ltd.
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      1. :
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      Hebei Yanshan County Electricity Pipe-Fittings...
    2. . 20 Hebei Yanshan County Electricity Pipe-Fittings .
    2. . . .

    2. . Hebei Yanshan County Electricity Pipe-Fittings .
    2. ERW ERW . . ERW . ERW .
    2. : 114mm-1440mm
      : 4mm-30mm
      :

    2. 2.5MPa . .As .
    2. . Hebei Yanshan County Electricity Pipe-Fittings . .
    2. . . . .
    2. . . .
      ASME B16.5 ASME B16.47

Hebei Yanshan County Electricity Pipe-Fittings ISO9001:2008 . 1990 . . . .

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