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

. . .

Hebei Yanshan County Electricity Pipe-Fittings ERW . . .

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A234 WPB-WPC ST37ST52 12 Cr Mo
15 Cr Mo alloy WP1-WP 12WP 11-WP 22 WP 5-WP 91-WP 911

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ASME B36.10 API 5LASTM A106ASTM A53 B
    2. 2.5MPa . ...
    2. . Hebei Yanshan County Electricity Pipe-Fittings ...
    2. . . ...
    2. . ...

Hebei Yanshan County Electricity Pipe-Fittings . . . Hebei Yanshan County Electricity Pipe-Fittings . . .

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