(重询)胜利建工框架-石化机械框架-2026-1-镀锌钢管中石化胜利建设工程有限公司镀锌焊接钢管\Φ26.9×3.3mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ42.4×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ60.3×3.6mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ76.1×4mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ88.9×4mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ114.3×6mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ140×5.5mm Q235B+Zn GB/T3091镀锌焊接钢管\Φ165.1×4.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ219×6mm Q235B+Zn GB/T 3091普通焊接钢管\Φ114.3×4mm Q235A GB/T 3091
2026-04-20