220x200x10塔机方矩管南京Q345C镀锌方矩管定尺全尺寸标注
¥4200
400x300x12塔机方矩管南京Q345C建筑方矩管定尺全尺寸标注
¥4200
180x100x4塔机方矩管南京Q355D厚壁方矩管抗压强
¥4200
108x108x8塔机方矩管南京Q345C塔机方矩管货源充足
¥4200
300x300x14塔机方矩管南京Q355C镀锌方矩管厚度可定制
¥4200
300x150x5塔机方矩管南京Q345B厚壁方矩管货源充足
¥4200
160x160x5塔机方矩管南京Q355B塔机方矩管厚度可定制
¥4200
100x100x7.5塔机方矩管南京Q355C镀锌方矩管定尺全尺寸标注
¥4200
70x70x4.5塔机方矩管南京Q355D建筑方矩管壁厚均匀
¥4200
150x100x4塔机方矩管南京Q345C塔机方矩管加工定制
¥4200