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低價出售 20#無縫鋼管 無縫原管
2017-02-08
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無縫鋼管
2017-02-08
鋼管廠直銷GB8162冷拔 40*4.5無縫鋼管
2017-02-08
鋼管廠直銷GB8163熱擴 325*13無縫鋼管
2017-02-08
鋼管廠直銷 GB8163合金168*8無縫鋼管
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無縫鋼管
2017-02-08
廠家直銷河北70*3低中壓鍋爐用GB3087無縫管
2017-02-08
廠家直銷河北159*3石油裂化用GB9948無縫鋼管
2017-02-08
廠家直銷河北42*4結構用GB8162無縫鋼管
2017-02-08
廠家直銷河北57*6流體輸送用GB8163無縫管
2017-02-08
廠家直銷河北76*3.5高壓鍋爐用GB5310無縫鋼管
2017-02-08
廠家促銷DN32低中壓鍋爐用20#無縫鋼管
2017-02-08
廠家促銷DN40高壓鍋爐用12Cr1MoVG無縫鋼管
2017-02-08
廠家促銷DN50化肥設備用Q235B無縫鋼管
2017-02-08
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