Q355 Prefabricated Modular Office Building Temporary Site Folding Mobile House
| Main Structure: | H-Beam, Q355B Section Steel | ||
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Q355 Modular Office Building,folding Modular Office Building,temporary folding mobile house |
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Prefabricated Building For Site Office With Q355 Main Structure
Our Q355 H-Beam Steel Structure Prefabricated Building is designed for site offices, training centers, and temporary facilities. It features a modular, lightweight, and durable steel frame with insulated walls and roofs, allowing for rapid on-site installation. The flexible design supports easy expansion, customized layouts, and integration of doors, windows, ventilation, and utilities, providing a practical and efficient solution for remote camps, construction sites, and industrial projects.
| Main Steel Frame System | |
| Main Structure | H-Beam, Q355B section steel with paint as per client request |
| Roof purlin | Q235B,C Section steel, Galvanized 275g |
| Wall purlin | Q235B,C Section steel, Galvanized 275g |
| Intensive Bolt | Grade 10.9 intensive bolts |
| Ordinary Bolt | Galvanized bolts, grade 4.8 |
| Intensive Bolt | Q235B anchor bolts as per design |
| Bracing System | |
| Cross brace | Φ20, steel Q235, With paint or Hot dip Galvanized as per client request |
| Knee bracing | L50*4, steel Q235, With paint or Hot dip Galvanized as per client request |
| Column bracing | Φ20, steel Q235, With paint or Hot dip Galvanized as per client request |
| Tie bar | Φ89*3, steel Q235, With paint or Hot dip Galvanized as per client request |
| Batter brace | Φ12round steel bar, steel Q235, With paint or Hot dip Galvanized as per client request |
| Roofing System | |
| Roof panel | Roof with Galvanized Color Steel Sheet Or Insulated Sandwich panel as per client request |
| Edge cover | Galvanized Color Steel Sheet |
| Fittings & accessories | Nails,Screws Glue Bolts etc. |
| Gutter | Stainless Steel Gutter |
| Rainspout pipes | Φ110 PVC rainspout pipes |
| Unpowered ventilator | Φ500mm 304SS unpowered ventilator |
| Wall System | |
| Exterior wall outside panel | Wall with Galvanized Color Steel Sheet Or Insulated Sandwich panel as per client request |
| Edge cover | Galvanized Color Steel Sheet |
| Fittings & accessories | Nails,Screws Glue Bolts etc. |

Certified Structural Engineering
YAGO's steel structure commercial building is fully designed by certified engineers using PKPM modeling software. The result is a safe, code-compliant structure that can withstand harsh weather and seismic conditions. Clients receive detailed blueprints, load calculations, and 3D renderings for precise project planning.
High Strength and Corrosion Resistance
All components in the prefabricated steel structure are treated with galvanization or alkyd painting for anti-rust protection. The steel frame offers high tensile strength while keeping total weight low, allowing for larger spans and reduced material waste. This makes it an ideal solution for long-term, heavy-duty use in industrial, agricultural, or aviation projects.
Cost Efficiency and Custom Manufacturing
As a professional steel structure manufacturer, YAGO delivers complete fabrication under one roof—from cutting and drilling to coating and packing. Prefabrication reduces on-site time by up to 70%, while accurate production eliminates rework. Clients can customize roof panels, insulation materials, or door and window systems to suit environmental or operational needs.
Our H-Beam Steel Structure Prefabricated Buildings provide rapidly installed, durable, and flexible spaces for mining offices and training centers, enabling owners to quickly set up operations and improve on-site efficiency, even in remote or challenging locations.
- Remote mining camps
- Oil & gas field projects
- Large construction or infrastructure sites
- Industrial project sites requiring fast, flexible deployment




We provide full support from design, engineering, fabrication to site installation, with strong experience in global mining and construction projects.
What materials are used in YAGO’s steel structures?
Q345 H-beams and Q235 galvanized purlins with optional EPS, rock wool, or PU sandwich panels.
Can YAGO provide custom design drawings?
Yes, the steel structure manufacturer offers full design and engineering based on your site requirements.
What is the installation time for a standard building?
Depending on size, most prefabricated steel structure projects can be completed within 15–30 days.
Is insulation optional for roof and walls?
Yes, YAGO provides thermal solutions using fiberglass, rock wool, or polyurethane panels based on climate needs.
Does YAGO support crane installation or multi-story buildings?
Yes, the system supports integrated crane beams, mezzanines, or multi-floor designs with full structural safety.