Aug 15, 2025
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Product Description: Large-span Q345 heavy steel structure building prefabricated beam steel bridge Product Name Large-span steel structure bridge Height 10-200 M Wind Speed 120KM/H Wind Load 33kV-330kV High Strength Bolt ...learn more
Q345 Heavy Steel Structure Building Prefabricated Steel Beam Bridge

Q345 Heavy Steel Structure Building Prefabricated Steel Beam Bridge

200, 000 Tons / Year
$200-$800 per tonne
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1 Years
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