Container House Manufacturing Process
The manufacturing process of container houses mainly includes core steps such as steel structure frame welding, wall and roof panel prefabrication, internal water and electricity pipeline embedding, and on-site assembly.

Steel structure frame welding is the foundation of container houses. It is usually welded using section steels (such as channel steels and square steels). The thickness of the steel used for the main beams and columns, as well as the fullness of the welding process, directly affect the load-bearing capacity and safety of the house. For example, for a 3m×6m residential container, the chassis crossbeams use 4×8×2.0 square steels with a spacing of 35 centimeters, and the columns and roof ring beams are fully welded using 5×5×2.0 square steels to ensure structural stability. During the welding process, strict quality control is required to avoid cold welds. At the same time, the entire container body is galvanized or coated with anti-corrosion treatment to extend its service life.
The prefabrication of wall and roof panels is a crucial step. Wall and roof panels are mostly made of 50mm thick clean panels (white on both sides). Standard-sized sliding windows (e.g., 930×1000mm) are installed in the windows, and specially made color steel plate doors (e.g., 930×2000mm) are used. The chassis floor is usually laid with 18mm thick building templates, which can bear a load of up to 200 kilograms per square meter. Some processes also lay high-grade floor leather on the chassis to improve living comfort.
The embedding of internal water and electricity pipelines needs to be completed in the factory. The positions of lighting fixtures, switch sockets, and air conditioning holes should be planned in advance: the lighting fixtures are located in the middle of the house, the switches are installed beside the door, the sockets are 60 centimeters above the ground, and the air conditioning holes are opened on the opposite side of the door. The embedding of water and electricity pipelines reduces on-site wet work and shortens the construction period.
On-site assembly and waterproofing are the final steps. After most of the processes are completed in the factory, the components are transported to the site for rapid assembly. After assembly, window security grilles need to be installed, and waterproof glue (such as glass curtain wall waterproof glue, which has 5-6 times stronger waterproof performance than traditional glue) should be applied to ensure the tightness between the roof panels and the windows.
In addition, the modular design of container houses allows for space expansion through container combination, making them suitable for a wide range of applications, from small single-container buildings to large-scale structures composed of hundreds of containers, demonstrating unique artistic qualities and functional flexibility.




