批量销售50MN圆钢保质多规格交货快！

批量销售50MN圆钢、40MN圆钢、20MN钢板、45MN钢板 保质保量 多规格 交货快 ！

产品 材质 规格 价格
50MN圆钢 50Mn Ф66 4560/吨
50MN圆钢 50Mn Ф97 4570/吨
50MN圆钢 50Mn Ф145 4580/吨
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