galvanized steel structure toll station
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Kanopi Rangka Ruang Baja Pracetak untuk Gardu Tol
Construction Space Frame Prefabricated Steel Structure Toll Station Canopy Building Product Specifications Attribute Value Application Structural Roofing Type Light, Space Frame Structure Material Q235/Q355 Low Carbon Steel Raw steel material Q235B, Q355B, ASTM A36 Surface treatment Painting or Hot...