20ft expandable container house Modular Expandable Container House, Three in One Expandable steel house, office container house, Prefab Folded Container House Size:L5850*W6600*H2500mm 1.Structure: Be made of hot galvanized light steel frame with sandwich panels wall,doors and windows,etc. 2 .Application: Can be use as ccomodation,living house,office,dormitory,camp,toilet,bathroom,shower room, changing room,school,classroom,library,shop,booth, kiosk,meeting room, canteen,guard house,etc. 3. Advantage: (1) Fast installation:2 hours/set ,save labor cost; (2) Anti-rust: all material use hot galvanized steel; (3) Waterproof: without wood ceiling,wall; (4) Fireproof: Fire rating A grade; (5) Simple foundation: just need 12pcs concrete block foundation; (6) wind-resistant (11 level) and anti-seismic (9 grade). 4. Service Support: (1) Make design for clients; (2) Provide pictures and production schedule for clients every 3 days ; (3) Provide packinglist and installation instruction for clients before shipping; (4) Can sent installation engineer to clients site for installation instruction ; he floor plan on this expandable container house .