prefab fireproof metallic structure warehouse

Quadro de aço pré-fabricado H coluna de vigas para armazém de grande comprimento

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 ...