产品展示
20# GB9948 抗H2S无缝钢管post time:2019-12-16
12Cr5MoNT GB/T9948-2post time:2019-08-15
12Cr5Mo,12Cr5MoI,12Cpost time:2018-11-01
25*2.5 20# GB/T9948 post time:2017-09-20
石油裂化用无缝钢管post time:2014-05-07
12Cr5MoI石油裂化管gb/t994post time:2014-08-21
12Cr9MoNT裂化用无缝钢管post time:2014-08-21
抗HIC钢管,抗HIC无缝钢管,抗硫化氢post time:2014-11-30
GB/T 9948-2013石油裂化管post time:2014-08-21