Folding Container House is the most transport‑efficient type of Container House. Its core design uses hinged connections to fold side walls, end walls, and the roof toward the base, compressing the house into a flat box during transport. Multiple units can be loaded into one sea container, greatly reducing freight cost per unit. On site, a crane or forklift lifts the folded unit, and a few workers can unfold and secure it quickly, achieving ready‑to‑use status. Folding Container House uses high‑strength galvanized steel frames, and walls and roof are filled with fire‑retardant insulation materials, offering excellent wind resistance, seismic performance, and fire protection. Zhongyi Zhiji’s Folding Container House includes two subtypes: Z Folding Container House and X Folding Container House. The former is more structurally stable and suitable for long‑term, high‑frequency use, while the latter offers the highest folding efficiency and lower cost, suitable for emergency rescue, field camps, temporary facilities for large events, and fast‑deployment commercial kiosks.