燕分5300495123流体不锈无缝钢管等11项询价中石化（北京）化工研究院有限公司燕山分公司流体不锈无缝钢管\Φ21.3×2.77mm 06Cr19Ni10 GB/T 14976流体不锈无缝钢管\Φ60.3×3.91mm 022Cr17Ni12Mo2 GB/T 14976流体不锈无缝钢管\Φ60.3×2.77mm 06Cr19Ni10 GB/T 14976流体不锈无缝钢管\Φ26.7×2.87mm 06Cr19Ni10 GB/T 14976流体不锈无缝钢管\Φ323.9×4.57mm 022Cr17Ni12Mo2 GB/T 14976流体不锈无缝钢管\Φ323.9×4.57mm 06Cr19Ni10 GB/T 14976流体不锈无缝钢管\Φ406.4×4.78mm 06Cr19Ni10 GB/T 14976流体不锈无缝钢管\Φ406.4×4.78mm 022Cr17Ni12Mo2 GB/T 14976流体不锈无缝钢管\Φ33.4×3.38mm 06Cr19Ni10 GB/T 14976镀锌无缝钢管\Φ48.3×5.08mm Q235B+Zn GB/T 8162低压流体输送用直缝埋弧焊钢管\Φ108×20mm Q235B GB/T 3091
北京-2026-01-30 00:00:00
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