Jiangsu Longze Modular Building Co., Ltd. has professional container modular house R&D and production capabilities, with more than 14 years of industry experience.
We can provide customized services, and our products comply with international ISO9001 and CE certification.
40ft Customizable Prefab Home – Move-in Ready
This 40ft mobile home prefab offers a spacious 3-bedroom layout with a fully equipped kitchen (cabinets & sink) and a modern bathroom (separate shower, vanity & toilet). Includes pre-installed dors, windows, flooring, wiring, and plumbing-plus country-specific electrical outlets & switches for hassle-free setup.
Specifications
40ft Expandable Mobile Home with Modular Design
Dimensions:
External Dimensions: (mm) W6540 × L11800 × H2480
(Inches) W249 × L465 × H98
Folded State: (mm) W2220 × L5900 × H2480
(Inches) W87 × L232 × H98
This 40ft expandable unit offers:
- 24㎡ living space when folded
- 75㎡ expanded living area

40ft Prefabricated Mobile Home Frame wall options
You can choose a variety of patterns, such as camouflage, wood grain, brick pattern, including various bionic natural colors, for you to choose. Or you can also provide your requirements, we can customize it for you.

Floor decoration options
For the ground, we generally use 18mm thick cement fiber board, which is of excellent quality and not easy to crack, to ensure the safety of the container house and improve the durability of use. The floor decoration is the commonly used floor leather, the color changes with your preference, or it can be replaced with different colors of wooden floor, or according to your needs.

Basic Specifications
|
Basic Features |
External Dimensions (MM) |
Folded State (mm) |
Total Mass (KG) |
|
20 ft mobile home prefab |
5900*6320*2480 |
5900*2200*2480 |
2900 |
|
40 ft mobile home prefab |
11800*6320*2480 |
11800*2200*2480 |
4700 |
|
Other Dimensions |
Customized according to requirements |
||
Structure Specifications
|
Framework Structure |
Steel Structure |
Q235 Galvanized Steel Frame |
|
Intermediate Roof Beam |
Q235 Galvanized Steel Frame (2.5 - 3mm) |
|
|
Intermediate Girder |
Q235 Galvanized Steel Frame (2.5 - 3mm) |
|
|
Side Beam |
Q235 Galvanized Steel Frame (1.5 - 2mm) |
|
|
Side Wall Frame |
Q235 Galvanized Steel Frame (1.5 - 2mm) |
|
|
Intermediate PILLIAR |
Q235 Galvanized Steel Frame (2.5 - 3mm) |
|
|
Sub - Frame |
Q235 Galvanized Steel Frame (1.5 - 2mm) |
|
|
Protective Coating for the Overall Frame |
Electrostatic Spraying / White Plastic Powder Spraying |
|
|
Top |
External Roof Panel |
Fire - retardant EPS Insulation Sandwich Panel and Roof Corrugated Single Plate |
|
Internal CELLING Plate (Container Top) |
0.25 Type - 200 CELLING |
|
|
Wall |
Middle Roof Insulation |
50 - millimeter Fire - retardant Insulated Sandwich Panel / Colored Steel Plate with Glass Long - staple Cotton |
|
Side Wall, Front Wall Panel and Rear Wall Panel |
65 - millimeter Fire - retardant Insulated Sandwich Panel / Colored Steel Plate with Glass Long - staple Cotton |
|
|
Internal Partition (Wall Panel) |
55m Environmental Insulation Material |
|
|
Floor |
Intermediate Floor |
18 - millimeter Fire - resistant Glass Magnesium Plate / Fire - resistant Cement Fiber Floor |
|
Floor on Both Sides |
18 - millimeter Bamboo Floor / Thick Plywood |
|
|
Electrical Wiring |
Installation strictly follows moisture - proof specifications, and all electrical products shall comply with certifications. Connect the circuit according to electrical engineering specifications. Indoors: 2 led lights, 2 CEILING lights, 3 five - hole sockets, 1 single - switch, 3 ten - hole sockets, 1 air - conditioning socket, 1 20a earth - leakage circuit breaker. Voltage 220V, 50hz. We can customize circuits that meet certification requirements according to different countries. |
|
|
Door |
Broken - bridge Aluminum Entrance Door (with Password Lock), Bedroom Metal Swing Door |
|
|
Window |
Aluminum Alloy Windows with Double - layer Insulating Tempered Glass |
|
Electrical Wiring options
Installation strictly follows moisture - proof specifications, and all electrical products shall comply with certifications. Connect the circuit according to electrical engineering specifications.
Indoors: 2 led lights, 2 CEILING lights, 3 five - hole sockets, 1 single - switch, 3 ten - hole sockets, 1 air - conditioning socket, 1 20a earth - leakage circuit breaker.
Voltage: 220V, 50hz.
Power outlet options: AU Standard\EUR Standard\US Standard\UK Standard

Why choose us
Jiangsu Longze Modular Construction Co., Ltd., established in 2021, is a leading Chinese supplier and manufacturer of portable prefabricated houses. Specializing in innovative modular solutions, the company focuses on R&D, production, and sales of 40ft mobile home prefab. Welcome to purchase high-end portable prefabricated houses. Factory price, customizable.
Email: Lzmk88888888@163.com
40ft mobile home prefab advantages
40ft mobile expandable prefab house adopts galvanized steel structural frame with thickness up to 2.5mm, which is durable, corrosion-resistant and recyclable.

The doors and windows are made of aluminum alloy, which is corrosion-resistant, not easy to deform, and available in optional colors.

Wall Panel Color Options




- Module room size: The size of the Prefabricated Mobile Home on sale can be customized
- Application: Prefabricated Mobile Home is easy to transport and build, and is a better solution for temporary office/ residence/ dormitory/ bathroom mobile houses.
FAQ
On-site installation service
Q: Do we provide on-site installation?
A: We provide very detailed installation instructions, blueprints and videos for each project. For major projects, installers and supervisors will be dispatched on-site. The cost of such on-site services is subject to negotiation with customers.
Delivery schedule
Q: What is our delivery time?
A: Usually 15-25 days after receiving the deposit. For large-volume orders, the delivery schedule is
negotiable.
Product lifespan
Q: Does our product have a clear lifespan? If so, how long?
A: Under normal climate conditions, the steel frame of the container house has a service life of 20 years.
Handling quality issues
The warranty period spans 2 years, during which Zhonghao Port will be responsible for all quality issues caused by production.
How do we ensure quality?
Always pre-production samples before mass production;
Always final inspection before shipment;
What can you buy from us?
Folding container house, flat pack container house, expandable container house, light steel villa, steel structure
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