lightweight roof 40 foot steel truss structure residential steel truss
USD $630 - $720 /Ton
Min.Order:25 Tons
Tianjin Zhanzhi Steel Co., Ltd.
light weight cold formed steel gable metal web floor truss building truss for sale
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light gauge lightweight prefabricated metal 40 ft steel structural roof iron truss for houses
welded perforated galvanized t beam structural steel t iron bar for building lintels
China low carbon Q195 Q235 hot dip galvanized structural steel t bar for sale