20ft 40ft Expandable Container House With Glass Curtain Wall are built significantly faster than traditional construction, since they are semi-finished products directly sent from factory.Expandable container house is also characteristics for the expandable installation that it can be installed by just five steps. It can be expanded or closed according to your idea, such as Villa House, Family Homes, Labour Dormitory, School, Restaurant, Hotel, Office, Shop, Camp House,etc.