Standard specification:?3m×5.95m×2.8m3m×5.95m×2.8m. Supports unlimited modular connection for 1-3 story buildings. Independent top and bottom structure provides excellent sound and heat insulation. Can be flexibly assembled into meeting rooms, dining halls, kitchens, bathrooms and access control boxes. A 40ft container can hold up to 17 units, maximizing loading efficiency. Widely used in overseas civil engineering, road and bridge construction, and post-war reconstruction.