五建公司中海壳牌石油化工惠州三期乙烯项目MLLDPE装置及配套工程施工总承包项目镀锌焊接钢管中石化第五建设有限公司镀锌焊接钢管\Φ26.9×2.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ42.4×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ48.3×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ60.3×3.8mm Q235A+Zn GB/T 3091镀锌焊接钢管\Φ76.1×4mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ114.3×4mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ42.4×3.5mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ114.3×4mm 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\Φ60.3×3.8mm Q235B+Zn GB/T 3091镀锌焊接钢管\Φ33.7×3.2mm Q235B+Zn GB/T 3091
2026-06-25