无缝碳钢管ASTM A106 A53 B级CS管SS400 ST37 X56 X65 X70油气输送管道
¥4,617.60 - ¥4,978.35
Min Order: 1 tons
CNSupplier
API 5L PSL2 B级X42 X46 X52 X56 X60 X65 X70 X80 X120 R N Q M管道钢板卷材
¥5,050.50 - ¥8,658.00
Min Order: 1 tons
CNSupplier
6 yrs
低价API 5L 5 l b级psl2 X60 X70 X80碳钢板L415 L485 L555线圈制造商
¥4,329.00 - ¥6,493.50
Min Order: 1 tons
CNSupplier
6 yrs
可靠的供应商MS板L290 X42 L320 X46 L360 X52 L390 X56 L415 X60 L450 X65 L485 X70管道用碳钢板
¥4,329.00 - ¥6,493.50
Min Order: 1 tons
CNSupplier
6 yrs