Expandable house also known as folding activity room or double wing folding house, is a type of container room that is made of a steel frame system and a lightweight insulation wall panel system.
A container house, as the name suggests, is a residence built using the combination form of containers, with the main material being containers. This emerging architectural form has gradually attracted people's attention and favor in recent years. Due to its unique advantages, it is widely used for various purposes, such as residences, offices, commercial spaces, and tourist destinations.
A single-frame greenhouse usually consists of a single structure with a steel frame as the supporting structure. The covering material is generally plastic film, and sometimes materials such as thermal blankets are used to improve the thermal insulation performance.