銷售熱線：13376216888
20G高壓鍋爐管用途\無錫GB/T5310無縫鋼管規格優質貨源
http://www.sjjkh.cn http://www.wxclgb.com http://www.sjjkh.cn
18×2.3-4-5
121×4.5-5-6-7-8-10-12-14-16-20
377×30-37-40-45-50
20×2.5-3-5
127×4.5-5-6-7-8-10-12-14-16-20
402×10-15-20-25-30-35
24×2.5-3-4-5-6
133×4.5-6-8-12-14-16-18-20-25-30
406×10-20-25-28-35-40
25×2.5-3-4-5-6
140×5-6-7-8-9-10-12-14-16-20-22
426×10-12-14-16-20-25-30-35-40
28×3-3.5-4-5-6
146×4.5-6-8-12-14-16-18-20-25-30
450×10-12-14-16-20-25-34-40-50
32×3.5-4-5-6-8
152×4.5-6-8-12-14-16-18-20-25-30
480×10-12-14-16-18-20-25-30-40