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鋼管廠直銷合金426*13高壓鍋爐管GB5310
2017-02-08
鋼管廠直銷GB8163熱軋 76*7無(wú)縫鋼管
2017-02-08
鋼管廠直銷GB8162冷拔 40*4.5無(wú)縫鋼管
2017-02-08
鋼管廠直銷GB8163熱擴(kuò) 325*13無(wú)縫鋼管
2017-02-08
鋼管廠直銷高頻焊GB3091 114*2.5直縫鋼管
2017-02-08
鋼管廠直銷 鍍鋅25*1.8焊管GB3091
2017-02-08
鋼管廠直銷埋弧焊273*6螺旋鋼管SY5037
2017-02-08
鋼管廠直銷GB3091 熱擴(kuò)610*15直縫鋼管
2017-02-08
鋼管廠直銷 GB8163合金168*8無(wú)縫鋼管
2017-02-08
鋼管廠直銷合金426*14高壓鍋爐管GB5310
2017-02-08
鋼管廠直銷GB8162冷拔 40*5無(wú)縫鋼管
2017-02-08
廠家直銷河北325*11基礎(chǔ)樁用SY5040螺旋鋼管
2017-02-08
廠家直銷河北70*3低中壓鍋爐用GB3087無(wú)縫管
2017-02-08
廠家直銷河北159*3石油裂化用GB9948無(wú)縫鋼管
2017-02-08
廠家直銷河北42*4結(jié)構(gòu)用GB8162無(wú)縫鋼管
2017-02-08
廠家直銷河北57*6流體輸送用GB8163無(wú)縫管
2017-02-08
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