prefab fireproof metallic structure warehouse

대형 스팬 창고용 조립식 강철 프레임 H 빔 기둥

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 ...