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供应SA-192,SA-53B,SA-106C,SA-106B,SA-210C,SA-213T11，SA-213T12，SA-213T22，SA-213T23,SA-213T91，合金无缝钢管、高压锅炉管
专供进口碳钢、合金钢无缝钢管
SA-192|SA-53B|SA-106C|SA-106B|SA-210C|SA-213T91|SA-210Al|SA-213T22|SA-213T23|
SA-213T12|SA-213T2|SA-213T11|SA-213-T122|无缝钢管|合金管|高压锅炉管|石油裂化管|化肥专用管|不锈钢管|
SA-213T91|SA-210A1|SA-213T22|SA-213T23|
SA-213T12|SA-213T2|SA-213T11|SA-213-T122|合金炉管|转化炉管|乙烯裂解炉管
专供SA-210C、SA213-T11碳钢、合金钢无缝钢管
