安徽省377x30大口径厚壁无缝钢管现货每吨报价由鑫茂祥提供 245x50 377x20 245x55 377x25 273x20 377x30 273x22 377x35 273x25 377x40 273x28 377x45 273x30 377x50
安徽省377x30大口径厚壁无缝钢管现货每吨报价由鑫茂祥提供
245x50
377x20
245x55
377x25
273x20
377x30
273x22
377x35
273x25
377x40
273x28
377x45
273x30
377x50