prefab fireproof metallic structure warehouse

Cuadro de acero prefabricado H columna de vigas para almacén de larga extensión

Steel Construction Prefabricated Steel Frame Material H Beam And Column Large Span Steel Factory Warehouse Product Attributes Attribute Value Raw Steel Material Q235B, Q355B, ASTM A36 Application Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part Surface Treatment Painting or ...