Hebei Hebei Yanshan County Electricity Pipe-Fittings Pipe Co.,Ltd.
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. Hebei Yanshan County Electricity Pipe-Fittings . .


ASTM ASME
ST37 , ST52
12 Cr Mo , 15 Cr Mo


1/2"~24", DN15~DN600 OD21.3MM~609.6MM


GB/T3091-2008, API SPEC 5L


Q195, Q215, Q235, Q345B, X42, X52, X60


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

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