Prefab Container Office Building
The prefab container office buildings offer a modern, flexible, and cost-effective workspace solution. Each unit is manufactured in advance and then transported to the final site for quick installation and finishing. Made from high-quality steel and insulation materials that meet the same standards as traditional buildings, our container offices are durable, secure, and weather-resistant, while offering significantly lower costs and higher portability. Whether used as a construction site office, temporary workspace, or long-term administrative building, they provide a practical and professional environment wherever you need it.
Contact our team today to get a personalized solution and quotation for your modular container office project!
Modular Office Containers – Temporary Site office solutions
Container offices feature a modular design for quick installation and cost-effective solutions, suitable for both temporary and long-term office needs. Their robust construction withstands harsh weather and frequent relocations, while flexible layouts support standalone use or large-scale multi-level configurations. Ruilong offers fully customized design solutions encompassing layout planning, interior finishing, and system integration to precisely meet your requirements.
Structures
All container office units are pre-engineered and prefabricated in our factory before being shipped to the installation site. Each unit is delivered with integrated electrical systems, lighting, doors, windows, and flooring, allowing for quick on-site assembly on level ground. The follow specifications are RuiLong’s standard office container configuration. If you require custom dimensions, layouts, or materials, please contact our team for a personalized design and quotation.

Size of 20ft Office Container Unit 
Office Container Structure
Wall System:
The interior and exterior wall panels are made of highly galvanized steel sheets with an insulated sandwich core. We offer multiple insulation materials, including rock wool, polystyrene (EPS), and polyurethane (PU), with thickness options ranging from 50 mm to 100 mm. The insulation type and thickness can be selected based on the thermal and acoustic requirements of your project.
Roof System:
Constructed from galvanized steel framing, the roof is topped with a color-coated steel panel and 50 mm insulation layer, which has excellent waterproofing and temperature resistance.
Doors:
Standard 20-foot office modules come equipped with fire-rated steel doors. Optional upgrades include anti-theft exterior doors for added security or automatic glass doors for combined office units. A variety of door styles and materials can be customized to match your site needs.
Windows:
Each standard office features PVC framed windows, with optional aluminum double-glazed windows or vertical sliding windows available. The aluminum thickness and glass specifications can be adjusted according to your environmental and safety requirements.
Flooring:
The floor system includes fireproof boards topped with PVC vinyl covering, providing durability and easy maintenance. For humid regions, alternative flooring materials can be selected.
Electrical System:
Each container office is equipped with a basic electrical package, including interior lighting, outlets, and necessary wiring, meeting international safety standards.
Products Show
Advantages of Prefab Container Office
The prefab container offices represent a fast, durable, and cost-effective modular building solution. Ruilong provides modern, flexible, and sustainable construction site office space solutions. Prefabricated modular structures enable rapid assembly, relocation, or expansion as needed, making them ideal for construction sites, remote offices, and temporary workspaces.
Quick Installation
Prefabricated modules enable fast on-site assembly, significantly reducing construction time.
Cost-Effective
Lower labor and material costs make it an economical alternative to traditional buildings.
Durable & Safe
Built with galvanized steel structure, offering strong resistance to wind, corrosion, and fire.
Flexible & Portable
Easy to relocate or expand, ideal for temporary or long-term workspace needs.
Select a ideal 20-ft container office unit

Detachable Container House
Easy to assemble and disassemble, suitable for frequent relocation and long-distance transportation. Ideal for worker dormitories, site offices, and temporary housing projects.

Flat Pack Container House
Compact for transport and quick to install on-site, saving space and logistics costs. Perfect for large-scale modular camps or offices.

Folding Container House
Designed for ultra-fast deployment, it can be unfolded and used immediately, making it ideal for emergency housing or rapid construction projects.

Expandable Container House
Offers greater interior space with fold-out side modules, providing comfortable and fully equipped living or office areas.
Specifications
| Dimension | 6055*2435*2896mm |
| Roof main frame | 2.0~4mm thickness, SGH340, Galv. with electrostatic spraying |
| Roof sub-frame | C90&Sq. 25, 1.2~2.0mm thickness, Galv. with electrostatic spraying |
| Floor main frame | 2.0~4mm thickness, SGH340, Galv. with electrostatic spraying |
| Floor sub-frame | C120, 1.8~3.0mm thickness, Galv. with electrostatic spraying |
| Corner pillar | 3.0mm thickness, SGH340, Galv. with electrostatic spraying |
| Lift corner piece | 6mm thickness corner cast |
| Roof covering plate | 0.5mm thickness galv. Metal steel sheet |
| Roof insulation | 100mm thickness fiberglass with aluminum foil, density=12kg/m3 |
| Roof suspended ceiling | 0.4mm galv. Metal sheet |
| Floor bottom covering plate | 0.5mm thickness galv. Metal steel sheet |
| Floor insulation | 100mm thickness fiberglass with aluminum foil, density=12kg/m3 |
| Floor board | 18mm thickness fiber cement plate |
| PVC flooring | 2mm thickness heavy-duty vinyl leather |
| Wall panel | 50mm/75mm thickness fiberglass/rockwool insulated sandwich panel |
| Door | Special Steel Door for Container house (840*2030mm) with locker |
| Window | PVC sliding window with mosquito screen &security fence |
| Electrical System | Including PDB/industrial plug/socket/switch/lamp |
| Rain drainage pipe | ¢50mm PVC pipe |
Custom Container Houses
RuiLong offers a wide range of Custom Container Houses, including Detachable Container Houses, Flat Pack Container Houses, Folding Container Houses, and Expandable Container Houses, to meet diverse project demands across industries. Tell us your specific needs, and our experts will help you create the most efficient, durable, and cost-effective container house solution for your project. Contact us today to get a customized quote!

Prefab Container Offices Manufacturer & Supplier
RuiLong is a professional manufacturer and supplier of prefab container offices, dedicated to delivering high-quality modular workspace solutions. Our container offices are designed for quick installation, easy relocation, and long-term durability, making them ideal for construction sites, remote projects, and temporary business setups.
With advanced production capabilities and rich project experience, we offer a complete range of modular buildings, including detachable, flat-pack, folding, and expandable units, all customizable in layout, materials, insulation, and finishes. From concept design to on-site assembly, RuiLong provides one-stop, cost-effective solutions tailored to your operational needs. Reach out to our team today to discuss your project and get a personalized prefab office design and quotation!
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Get Your Custom Container House Solution
Looking for a reliable solution for your labor camp, office, dormitory, or housing project?
RuiLong provides custom-designed detachable container houses that can be quickly assembled, relocated, and expanded to fit your specific needs. Tell us your project details, and we’ll design the most efficient and cost-effective modular housing solution for you.


























