Qingdao Ruly Steel Engineering Co.,Ltd
| Purlin | Q235B, Q355B C-shaped/Z-shaped Galvanized Steel |
| Delivery Time | 15-20 workdays |
| Cladding | Coated steel sheet, sandwich panel |
| Color | Customizable |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Material | Welded/Hot-rolled Steel,sandwich panel,galvanized steel sheet,light steel frame,Material |
| Drawing design | AutoCAD / PKPM / 3D3S/ Tekla |
| Application | Steel Workshop,Steel Fabricated House,steel structure warehouse,Storage,Warehouse |
| Dimensions | Customers' requirement |
| Window | Aluminum-alloy Window, glass curtain |
| Supply Ability | 1,500 Ton/month |
| Product name | Steel Structure Warehous,Industrial Factory Building Multi-storey Steel Structure Warehouse,Cheap price economical prefabricated steel structure warehouse,Low Cost Quick Build Prefabricated Steel Structure Warehouse for Sale,Light Metal Steel Structures Ro |
| Standard | AISC, ASTM, CE, AS/NZS, GB |
| Surface treatment | Alkyd painting system, epoxy painting system or hot-dip galvanized. |
| Door | Sliding door, roller door, section door, sandwich panel door |
| Packaging Details | Simple package 20GP/40HQ/40OT container |
| Installation | Installation drawing, engineer guidance on-site or team of workers |
| Grade | Q235B, Q355B and equivalent |
| Model Number | Rulyz021 |
| Brand Name | Ruly Steel |
| Certification | AISC, ASTM, CE, AS/NZS, GB |
| Place of Origin | Qingdao, China |
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Product Specification
| Purlin | Q235B, Q355B C-shaped/Z-shaped Galvanized Steel | Delivery Time | 15-20 workdays |
| Cladding | Coated steel sheet, sandwich panel | Color | Customizable |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Material | Welded/Hot-rolled Steel,sandwich panel,galvanized steel sheet,light steel frame,Material |
| Drawing design | AutoCAD / PKPM / 3D3S/ Tekla | Application | Steel Workshop,Steel Fabricated House,steel structure warehouse,Storage,Warehouse |
| Dimensions | Customers' requirement | Window | Aluminum-alloy Window, glass curtain |
| Supply Ability | 1,500 Ton/month | Product name | Steel Structure Warehous,Industrial Factory Building Multi-storey Steel Structure Warehouse,Cheap price economical prefabricated steel structure warehouse,Low Cost Quick Build Prefabricated Steel Structure Warehouse for Sale,Light Metal Steel Structures Ro |
| Standard | AISC, ASTM, CE, AS/NZS, GB | Surface treatment | Alkyd painting system, epoxy painting system or hot-dip galvanized. |
| Door | Sliding door, roller door, section door, sandwich panel door | Packaging Details | Simple package 20GP/40HQ/40OT container |
| Installation | Installation drawing, engineer guidance on-site or team of workers | Grade | Q235B, Q355B and equivalent |
| Model Number | Rulyz021 | Brand Name | Ruly Steel |
| Certification | AISC, ASTM, CE, AS/NZS, GB | Place of Origin | Qingdao, China |
| High Light | prefabricated steel office building ，commercial steel building projects ，PEB steel buildings with warranty | ||
The Custom Prefabricated Steel Office Building is a modern construction solution designed for commercial offices, industrial administration buildings, business headquarters, and multi-functional office complexes. Combining high-strength structural steel with advanced prefabrication technology, the building delivers outstanding structural reliability, architectural flexibility, and rapid project completion.
Compared with traditional reinforced concrete construction, steel office buildings offer significantly shorter construction periods, reduced foundation costs, and greater design flexibility. Factory-fabricated structural components ensure high manufacturing precision and efficient on-site assembly, helping developers reduce labor requirements and accelerate project delivery.
The structural system can be customized for single-storey or multi-storey office buildings, with flexible floor layouts that accommodate offices, meeting rooms, reception areas, conference halls, training rooms, cafeterias, and other functional spaces. Large-span steel framing also allows open-plan office designs with fewer interior columns, improving space utilization and future renovation flexibility.
Designed according to local wind loads, snow loads, and seismic requirements, each building is engineered to meet project-specific structural standards. Various exterior wall systems, curtain walls, insulated sandwich panels, aluminum composite panels, and decorative façade options are available to achieve both modern aesthetics and excellent thermal performance.
The steel structure can be protected using alkyd paint, epoxy coating, or hot-dip galvanizing depending on the project environment, ensuring long-term durability and low maintenance costs. Energy-efficient roof and wall insulation systems further improve indoor comfort while reducing operating expenses.
From engineering design and structural analysis to fabrication, quality inspection, packaging, shipping, and installation support, our experienced team provides comprehensive services throughout the entire project lifecycle. Whether for corporate headquarters, industrial office buildings, commercial business centers, or administrative facilities, our prefabricated steel office buildings offer a reliable, efficient, and cost-effective solution for modern workplace construction.
| Name | Custom Prefabricated Steel Office Building for Commercial Projects |
| Structure Type | portal frame structure, truss frame, flat frame structure |
| Length | 20m~200m |
| Width | 20m~50m |
| Height | 4m~30m |
| Roof Slope | Recommend 5~15% according to site |
| Steel beam & Column | H-section steel, truss steel, steel tube, latticed steel, cross-section steel |
| Roof & Wall cladding |
Galvanized steel cladding sheet, sandwich panel (view different panel cores below) |
| Door | Sliding door, folding door, roller shutter door, etc. |
| Window | Aluminum alloy frame window, louvers, etc. |
| Anti-corrosion for steel structure | Alkyd painting, Epoxy painting or Hot-dip galvanized |
| Service | Description |
| Steel Structure Fabrication | Cutting, welding, painting, hot-dip galvanizing, and pre-assembly of structural steel components. |
| Design & Engineering | Design, engineering, fabrication, and installation support for prefabricated steel buildings. |
| Shop Drawing Services | Detailed fabrication drawings and shop drawings based on client-provided architectural and structural plans. |
| Engineering Consulting | Structural optimization, technical consultation, and project support from design to construction. |
| Item | Steel Sheet | EPS Panel | Rock Wool Panel | PU/PIR Panel | Glass Fiber + PVC/Aluminum Foil |
| Initial Cost | Lowest | Low-Medium | Medium | High | Low |
| Thermal Performance | Poor | Good | Good | Excellent | Good |
| Fire Resistance | Poor | Moderate | Excellent | Good | Moderate |
| Sound Absorption | Poor | Moderate | Good | Good | Moderate |
| Recommended Application | Warehouses, sheds, equipment shelters in mild climates | Industrial buildings requiring economical insulation | Factories, warehouses, workshops with high fire protection requirements | Cold storage, food processing plants, energy-efficient industrial buildings | Large-span steel buildings requiring economical thermal insulation |
| Inspection Item | Purpose | Details |
| Material Inspection | Verify raw material quality | ·Thickness tolerance <0.25mm ·Yield and tension strength testing in-house ·Third party inspection certificate ·Traceable mill certificate |
| Welding Inspection | Ensure weld integrity | ·100% testing dimension tolerance <1mm ·20% sample welding line ultrasonic testing, no fault, full penetration ·20% magnetic particle testing, no bubble, no defect ·Third-party inspection available |
| Coating Inspection | Check paint thickness | ·Surface Preparation Grade Sa 2.5, no visible rust, no mill scale and contaminants, welding spatters removed ·Primer to be applied within 4-6 hours after blasting and before any visible flash rusting occurs. Dry film thickness (DFT) : 75 ± 15 μm |
Magnetic Particle Testing
All steel components are bundled and secured on steel pallets for safe handling and transportation.
The pallets are loaded into containers using gantry cranes and forklifts, ensuring efficient and damage-free loading.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
15 Million-20 Million
Employee Number:
100~110
Ecer Certification：
Verified Supplier
Qingdao Ruly Steel Engineering Co.,Ltd is a professional steel structure fabrication and construction company for light and heavy steel structure Design, Manufacture & Installation. The floor space of our steel structre fabrication factory is 35,000㎡, and the worksh... Qingdao Ruly Steel Engineering Co.,Ltd is a professional steel structure fabrication and construction company for light and heavy steel structure Design, Manufacture & Installation. The floor space of our steel structre fabrication factory is 35,000㎡, and the worksh...
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