... rectangular steel tube, H section steel, T section steel and angle steel;2. Wall, floor and roof cladding: ALC panel and Gypsum board;3. ... 5) Could stand firmly over 20 years.6) Light weight, convenient for shipment and transportation.7) Beautiful appearance, virious colors ... , sentry boxes, dormitories, shops,Kiosks and so on. Steel frameStructure steel drawing Inner house Light steel shed for villas