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  • High quality API 5L ERW black carbon steel pipe

    High quality API 5L ERW black carbon steel pipe

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  • API 5L ERW black carbon steel pipe

    API 5L ERW black carbon steel pipe

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  • API 5L X65 high frequency electric resistance welded pipe

    API 5L X65 high frequency electric resistance welded pipe

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  • API 5L X60 high frequency electric resistance welded pipe

    API 5L X60 high frequency electric resistance welded pipe

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  • High quality API 5L X56 high frequency electric resistance welded pipe

    High quality API 5L X56 high frequency electric resistance welded pipe

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  • API 5L X52 high frequency electric resistance welded pipe

    API 5L X52 high frequency electric resistance welded pipe

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