
45#厚壁鋼管121x20制造機械零件南京無縫管
45#厚壁鋼管121x20制造機械零件南京無縫管——0510-88264800 13376216888 http://www.twmedia.cn
| 16×2-2.5-4 | 108×4.5-5-6-7-8-10-12-14━18-20-22 | 351×10-16-20-25-40 | 
| 18×2.3-4-5 | 114×4.5-5-6-7-8-10-12-14-18-20 | 355×6-18-20-25-30-40/52 | 
| 20×2.5-3-5 | 121×4.5-5-6-7-8-10-12-14-16-20 | 377×8-12-15-20-24-28 | 
| 24×2.5-3-4-5-6 | 127×4.5-5-6-7-8-10-12-14-16-20 | 377×30-37-40-45-50 |