The container is to be designed and manufactured for the carriage of refrigerated (frozen, chilled) foodstuffs and general cargo by land (on road or rail) and by sea (above or bellow deck) throughout the world and will range from -30°C to +70°C without effect on the strength of basic structure. A mechanical refrigeration unit of a “one piece picture frame type” will be fitted to the front end frame. The container is designed with a refrigeration unit to maintain the inside space temperature at -25C° to +25C°