天津昊鸿钢管供应 Q345B无缝钢管 12×2-3 83×4-5-6-10-12-14 168×5-6-8-10-12-14-16 351×10-12-16-17-18 14×2-2.5-3 89×4-5-6-7-10-14-16 168×18-20-22-25-30 351×20-22-25-28-30 16×2-2.5-3 95×6-8-10-12-14-16 180×7-8-10-12-14-16 351×32-35-40-45 18×2-2.5-3 102×4-5-6-8-10-12-14 180×18-22-25-28-30 377×10-12-14-16-18 20×2-2.5-3-45 102×16-18-20-22-25 194×7-8-9-10-12-16 377×20-22-25-28-30 22×2-2.5-3-4.5 108×5-6-8-10-12 194×18-20-22-25-30 377×32-36-38-40-45 25×2.5-3-4-5 108×16-20-22-25-28 203×7-8-10-12-14-16 402×10-12-14-16-18-20 28×2.5-3-4-5 114×5-6-7-8-10-12 203×18-20-22-25-30 402×22-25-28-30-34 30×3-3.5-4-6 114×14-16-18-20-22-25 219×6-78-10-12-14 402×22-25-28-30-34 32×3-3.5-4-6 121×6-8-10-12-14-16 219×16-18-20-22-25 406×10-12-14-16-18-20 34×3-3.5-4-5-6 121×18-20-22-25-30 219×16-18-20-22-25 406×22-38-40-45-50 38×3.5-4-5-6 127×6-7-8-10-12-14-16 245×9-10-12-14-16-18 406×35-40-45-50 42×4-6-7-8-10 127×18-20-22-25 245×20-22-25-28-30-32 426×10-12-14-16-18-20 46×3.5-4-5-6-7-8-10 133×5-6-7-8-10-12-14-16 245×32-35-40 426×22-25-28-30-32 48×3.5-4-6-8-10 133×16-18-20-22-25 273×9-10-12-14-16-18 426×35-40-45-50 51×3.5-4-6-8-10-12 140×5-6-7-8-10-12-14 273×20-22-25-28-30 450×10-12-14-16-18-20 54×3.5-4-5-6-8-10-12 140×6-8-10-12-14-16 273×32-35-40 457×11-16-18-20-45 57×3.5-4-6-7-8-10 146×6-8-10-12-14-16 299×10-12-14-16-20-22 480×14-16-20-25-50 60×3.5-4-5-6-7-8-10 146×18-10-22-25-28 299×22-25-28-30-35 508×12-20-30-40-55 63.5×4-6-8-10-12-14 152×5-6-8-10-12-14 299×38-40-45 530×12-14-16-18-30-40 68×4-6-8-10-12-16 152×16-18-20-22-28 325×9-10-12-14-16-18 630×12-16-20-25-30-50 73×4-6-10-12-16 159×5-6-8-10-12-14 325×20-22-25-28-30 815×30-70 76×4-6-7-8-16-20-32 159×16-18-22-25-30 325×32-35-40-45 755×76 760×32 865×60 电话：022-26916110 网址:www.tjhhwy.cn