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Q235 45#钢冷拉扁钢方钢扁铁扁条80*100x3*20X4*15x5*15x6*12X189
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Q235扁钢45#扁铁45号扁条A3方钢3*10x12x15x20 25x30x4*4 10X12mm
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45#钢 Q235冷拉扁钢扁铁 扁条方钢40*130X45*65x3*30X4*25X5*20x8
黑铁方钢管热镀锌方管60x80x4 50x70x3 40x20x2 30x50x3 25x50x2
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冷拉钢Q235扁钢45#扁铁条A3方钢6x30X15*22x16*55X8*40x6*90X4x50
热镀锌方管40x40x4 50x50x3出口方钢管20x30x3 70x70x3幕墙防腐管
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冷拉钢A3扁钢45#扁铁条Q235方钢45x6*18X14*80x30*85X5*10x4*40
小口径方管25x40x3铁管方钢50x70x3特厚方钢管30x30x4 20x20x2.5
冷拉钢Q235扁钢45#扁铁条A3方钢28*50X52x52x14*130X22*75x6x50x4
4x4方管2.0厚深6米价 x3的方通 圳40x8LSA0格方钢的价格 3钢管钢
A3扁铁Q235扁钢 45#/号钢方钢扁条16*150X30*150x6*14x4X40x40*80
直销镀锌方管3x4空心厚壁4x10矩形管40*60方通方钢龙骨热浸镀锌方
热镀方管80x80x3空心管80x80x4厚壁方钢80x80x5x6方矩铁管80x80x8
A3扁铁Q235扁钢 45#/号钢方钢扁条45*70x12*65X16*65x4*20x70X75
冷拉钢A3扁钢45#扁铁条Q235方钢6x20*50X6*22x8*8X12*75x4x20
冷拉方钢Q235冷拨平键A3扁钢扁铁方料型材10x9x8*7x6x5x4*3x20x14
空心方钢50x150x5方管钢材60x60x4 90x90x6方铁管50x80x5 25x50x3
扁管方通20x40x3 30x50x4正方铁管60x60x6方钢管70x70x5 80x80x4
铁管方钢70x70x5 80x80x8方管钢材90x90x6黑钢管30x60x4 25x50x3
45#号钢冷拉方钢冷拨平键扁钢扁铁方料型材10x9*8x7x6*5x4x3x2x16
镀锌方矩管30x30x3 40x40x4黑方管50x50x6方钢管60x60x6 70x70x4
焊接方管25x25x3厚壁方钢管30x30x4 40x40x5铁管50x50x5 70x70x6
