Q355方管80x140x10钢材方钢管60x160x6 100x180x10方矩管75x150x8

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供方管钢材75x150x6扁管方通80x160x8 100x120x8卷板钢管60x140x5

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德客标准气缸SC80/100X20X30X40X6亚0X170X80X90X110X120X30X140S

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A3方管铁管150x50x5铁方通120x100x8黑扁管140x80x6矩形管45x75x2

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定制201切零304定制316l不锈钢工字钢14A140X80X6X814B140X80X8X|

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焊接钢管60x140x6方管铁管80x160x8 40x100x4光亮管15x60 20x70x2

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管120x50yx5方管钢材140x6x04方钢管热1N80x100x6 厂镀锌钢

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空心方钢方管80x140x10 80x120x8矩形管方通75x150x6矩管60x160x5

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A3方管钢材120x80x6 140x60x5空心钢管100x120x5矩形管200x300x12

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管120x50yx5方管钢材140x6x04方钢管热1N80x100x6 厂镀锌钢

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厚壁方管60x120x4方通方钢140x80x6 40x100x3小口径铁管25x75x1.5

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q235镀锌方钢黑铁方管50x100x3方管钢材60x120x4厚壁方管80x140x6

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供铁管方管80x140x8 60x120x6 热镀锌钢管70x70x3防锈矩管50x50x6

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钢材方管120x60x6方钢管100x80x8方铁管140x60x5扁方通150x250x10

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钢材方管80x200x8黑管方通140x160x8 150x300x6铁管方管100x180x8

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方钢方管140x60x6低合金方管160x80x8 150x100x10方矩管200x250x8

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镀锌方矩管50x100x3 60x120x4热镀方管80x140x5防锈方管75x150x6

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上海方管厂家50x100x6 60x140x5钢材钢管80x120x5扁方钢60x160x3

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供方管钢材80x180x6方刚方管60*140*5 75*150*4方通铁管100*300*8

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镀锌方矩管40*80*4Q235B热镀锌方管50x100x5热轧空心方管60x140x6

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热镀锌方管50x100x3 60x120x4防锈方铁管80x140x5镀锌管150x200x6

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供方管铁管150x100x10矩形管60x160x6 100x300x10方矩管80x140x5

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供钢材矩形管120x60x6方矩管80x140x8 30x100x2冷轧方管20x50x1.5

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直缝方管200x200 180x180壁厚8 10 12用于电梯支柱空心管80x140x6

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矩形管40x100x4镀锌方钢管60x120x5 80x140x6方管钢材120x200x10

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6米方管钢材厚壁250x100x8 150x200x6扁管铁管100x180x6 80x140x8

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黑铁矩形管150x100x10黑方管80x140x8 60x140x6异形铁管150x50x5

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新货6米方矩管120x50x5 140x60x4直缝铁管150x75x6下水管80x100x8

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钢材A3方管铁管80x120x8黑铁矩形管60x140x6 Q235方钢管80x160x10

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供应钢材方管140x80x8方矩铁管60x60x6 75x75x5方钢钢管100x180x6

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热镀方矩管40x80x4幕墙方管60x120x5防锈方钢管80x100x6 140x60x4

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黑管钢材方管矩形管60x160x4 80x180x5 60x140x6矩形方管150x75x8

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钢材方管70x70x5扁管方管90x90x6 100x100x10方钢空心管140x80x5

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零切方管80x180x5x6x8空心铁管方钢80x160x8x10厚壁钢管80x140x12

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铁方钢扁管50x100x6 60x120x5方管钢材80x140x10矩形管150x200x12

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Q235B铁方管60x160x5方通方管50x150x5 80x200x6空心方管80x140x8

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钢材方管60x100x6 80x140x8矩形管50x50x6 70x70x6铁方管80x80x8

已售0

方管型材50x120x5铁管钢管60x140x6矩形管80x100x8方矩管50x70x6

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方管钢材80x140x8方管方刚60x120x6 100x150x10镀锌方管22x22x1.5

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钢材方管80x80x8 90x90x6矩形管80x140x10方矩管75x150x8 50x70x6

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供方通管40x120x4方管80x100x8黑管方管100x140x6矩形管120x200x8

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供方通铁管60x140x5x6方管钢材80x120x8x10低合金方管80x140x8x10

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方管钢材140x180x5方矩钢管120x140x6方管铁管60x160x4 80x100x8

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S355方管140x60x5低合金方管140x80x6x8猛材方钢管80x180x4x5x6x8

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Q235B方铁管50x80x3方管钢材60x140x5 120x200x6矩形管250x150x8

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Q345B方管80x140x6方管钢材60x120x5 80x180x8锰钢方钢管80x100x5

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直缝铁管50x150x5出口钢管40x100x3方矩管60x120x6铁方管80x140x8

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菜棚柱子热镀方矩管120x80x5 120x60x4耐腐蚀方管50x100 80x140x6

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6米方管钢材零卖50x100x6 60x120x6 80x140x10 75x150x8 80x100x8

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A3矩形管Q235机械方矩管60x180x5 80x200x10低合金方管140x100x6

已售0