... steel sliding window with dimension of 1100mmx400mm, vertically sliding window or horizontally sliding window ,13Channel beamsmaterial:Q235. Painted14Columnmaterial:Q235, Galvanized15Roof ... of aluminium panel18Elevated floorSteel structure with 14mm plywood19Decorative floorPVC, laminated or ceramic tile20Drainage systemProvided plan, design and construction21Electric systemProvided plan, design and ...