Full Process of Container House Production
The full process of container house production can be divided into three core stages: design, factory production, and on-site installation. The specific steps and technical points are as follows:

I. Design Stage: Modular Disassembly and Structural Optimization
Modular Disassembly
Based on the building's functional requirements, the entire house is disassembled into standardized modules (such as bottom, top, and side components). Each module must independently bear loads and meet transportation restrictions (typically, length ≤ 12 meters, width ≤ 3 meters, height ≤ 3 meters). For example, a smart factory in Guangdong disassembled a house into six components, which were simultaneously produced on multiple sub-production lines and finally assembled into a complete container at the end of the production line.Structural Stability Design
A fully steel structural frame or a semi-welded and semi-bolted connection structure is adopted to ensure wind and earthquake resistance. For example, the products of Suzhou Zhongnan Steel Structure Co., Ltd. exhibited a frame deformation of only 2mm under a 12-level strong wind, far below the national standard limit of 10mm. The key lies in the fully automated welding process in its 50,000 square meter modern production base, with weld strength meeting the GB/T 19001-2016 standard.
II. Factory Production Stage: Precision Manufacturing on the Assembly Line
Steel Skeleton Welding and Assembly
The chassis is welded using channel steel or square steel, with a typical crossbeam spacing of 35 centimeters. The columns and roof ring beams are fully welded. For example, the chassis crossbeams of a 3m×6m residential container adopt 4×8×2.0 square steel, while the columns and roof ring beams use 5×5×2.0 square steel for full welding to ensure structural integrity.Wall and Roof Panel Processing
Wall and roof panels are mostly made of 50mm thick purification panels (white on both sides), with 930×1000 sliding windows installed in the windows and specially made color steel plate doors (930×2000). The chassis floor is laid with 18mm thick building templates, with a load-bearing capacity of up to 200 kg/㎡.Internal System Pre-embedding
The pre-installation of internal systems such as water and electricity pipelines, sanitary equipment, cabinets, and wardrobes is completed in the factory. For example, the automated production line of a smart factory in Guangdong can simultaneously complete welding, assembly, and grinding processes. AGV (Automated Guided Vehicle) transports components, with a daily output of 50 modules and manufacturing precision stabilized at 1-2 millimeters.
III. On-site Installation Stage: Rapid Assembly and Debugging
Foundation Treatment
Remove floating soil from the ground and compact the original soil layer to ensure uniform load-bearing. For example, the installation guide for residential containers in Yiqi emphasizes that if placed directly on soft soil, local pressure can cause uneven settlement of the container, leading to window and door deformation and wall cracks.Module Hoisting and Assembly
Use lifting equipment to hoist the modules to the designated positions and complete the assembly using bolts or welding. For example, a British customer purchased 63 modules of modular elderly care apartments made in China, which took only two weeks to complete on-site hoisting and construction after arrival at the UK port.Waterproofing and Final Work
Apply waterproof glue at the assembly joints (preferably glass curtain wall waterproof glue, which has 5-6 times stronger waterproof performance than traditional glue), and install window security nets, lighting fixtures, switch sockets, and air conditioning holes. For example, cultural and creative container houses are laid with high-grade floor leather on the chassis floor to enhance waterproofing and aesthetics.




