Chinese Economic Pre-Assembled Steel Structure Workshop
Fast construction speed with free customization options for
industrial applications.
Product Specifications
| Attribute | Value |
|---|
| Raw Steel Material | Q235B, Q355B, ASTM A36 |
| Application | Steel Workshop, Steel Structure Platform, Structural Roofing, Frame
Part |
| Surface Treatment | Painting or Hot-DIP Galvanized |
| Service Life | 50 Years |
| Wall and Roof | Steel cladding sheet, Sandwich Panel |
| Columns & Beams | H-Section Steel |
| Shot Blasting Level | SA 2.5 |
| Certification | CE, AISC, SGS, BV, ISO, GB |
| Installation | Engineer Guidance on Site |
| Drawing | CAD, TEKLA, 3D Model, PKPM, BIM |
| HS Code | 9406900090 |
| Transport Package | Standard Export Package or Customer's Requirement |
| Production Capacity | 30000ton/Year |
| Features | Prefab Steel Structure, Large Span, Multi-Floor |
| Connection Form | Bolt Connection |
| Parapet Wall | As Requested |

Key Advantages
- Fast construction speed: Factory-prefabricated components enable rapid on-site assembly.
- Exceptional durability: Anti-corrosion treatments and high-strength materials ensure long
service life.
- Construction flexibility: Adaptable to various complex environments and conditions.
- Superior quality: Precision factory manufacturing with rigorous quality control.
- Excellent seismic performance: High strength and ductility provide earthquake resistance.
- Eco-friendly solution: Minimizes construction waste and reduces environmental impact.
Material Specifications
| Items | Specification |
|---|
| Main Steel Frame - Column | Q235, Q355 Welded H Section Steel |
| Main Steel Frame - Beam | Q235, Q355 Welded H Section Steel |
| Secondary Frame - Purlin | Q235 C and Z purlin |
| Knee bracing | Q235 Angle Steel |
| Tie Bar | Q235 Circular Steel Pipe |
| Bracing | Q235 Round Bar |
| Column and Horizontal Bracing | Q235 Angle Steel, Round Bar or Steel Pipe |
| Roof Panel | EPS Sandwich Panel / Fiber Glass Sandwich Panel / Rock Wool
Sandwich Panel / PU Sandwich Panel / Steel Sheet |
| Wall Panel | Sandwich Panel / Corrugated Steel Sheet |
| Window | Aluminium Alloy Window / PVC Window |
| Door | Sliding Sandwich Panel Door / Rolling Metal Door / Personal Door |
| Downspout | PVC |
| Structure Usage | Up to 50 years |
| Finishing Options | Vast array of colors and textures available |
| Paint Options | Alkyd painting, two primary painting, two finish painting (gray
paint, red paint, white paint, epoxy zinc etc.) Or Galvanized |

Service Advantages

- Professional design: Customized solutions from our experienced engineering team.
- Exquisite craftsmanship: Advanced equipment and skilled technicians ensure premium quality.
- One-stop service: Comprehensive solutions from design to installation.
- Strict quality control: International standards compliance at every production stage.
- Responsive after-sales: Quick maintenance support for long-term performance.
Project Case Studies

| Project Information | Details |
|---|
| Project Usage | Marriott AC Hotel Guyana & Retail Building |
| Building Structure Type | 3 & 6 Floor Steel Buildings |
| Steel Structure Weight | 860 Ton |
| Raw Steel Material | ASTM A572 G50 |
| Welding Technique | AWS-D1.1 |
| Maximum Thickness Of Steel Plate | 65mm |
| Our Work Scope | Design 3D Tekla Model, Fabrication Drawings, Installation Drawings;
Fabrication Steel Structure & Loading |
| Project Location | Guyana |
| Date | January, 2023 - March, 2023 |

| Project Information | Details |
|---|
| Project Usage | Water Treatment Plant |
| Building Structure Type | Multi-Floor Buildings |
| Steel Structure Weight | 705 Ton |
| Raw Steel Material | ASTM A36 |
| Welding Technique | AWS-D1.1 |
| Maximum Thickness Of Steel Plate | 74mm |
| Our Work Scope | 1. Design 3D Tekla Model, Fabrication Drawings, Installation
Drawings; 2. Fabrication Steel Structure & Loading |
| Project Location | Manila, Philippines |
| Date | October, 2017 - December, 2017 |

| Project Information | Details |
|---|
| Project Usage | Logistics Steel Warehouse For High-speed Rail Station |
| Building Structure Type | Portal Frame Pre-Engineered Steel Buildings |
| Building Size | Total Area: 24,570 Sqm Length: 270m Width 91m; Eave Height: 11m |
| Steel Structure Weight | 985 Ton |
| Raw Steel Material | ASTM A36 |
| Our Work Scope | 1. Design 3D Tekla Model, Fabrication Drawings, Installation
Drawings; 2. Fabrication Steel Structure & Roof & Wall Steel Panel |
| Project Location | Qingdao City, China |
| Date | February, 2023 - April, 2023 |
About Our Company

Qingdao Ruly Steel Engineering Co., Ltd is a professional steel
structure fabrication and engineering company, located in Qingdao,
China, which integrates steel structure design, research and
development, manufacturing and installation. The project types
include prefabricated steel workshop, warehouse, logistics park and
other light steel structure of the civil building system, high-rise
residential buildings, exhibition center, stadium, airport station
and bridge, Power plant, chemical plant, oil and gas, mining, etc.
Our company's steel structure processing plant now covers an area
of 35,000 square meters, plant 20,000 square meters. More than 100
employees. The monthly production capacity for steel structure is
more than 1500 Tons. Our steel structure components include
light/heavy H steel, BOX steel, Cross shaped section steel, large
diameter submerged arc straight-weld pipe, steel model structure,
C/Z purlin and machining fitting components.
There are three subordinate steel structure companies, which have
passed and strictly implemented ISO9001:2008 quality management
system, ISO14001:2004 environmental system, GB/T28001:2001
occupational health system, and obtained ASTM certification in the
United States, and international SGS product certification.
Obtained the right of export, design, installation and consultation
from the ministry of foreign trade and economic cooperation.
Quality first, Technology ahead, Innovation continually is our
entrepreneurial concept. We build strong relationships of trust
with our clients, truly understanding their needs and bringing them
the most reasonable solutions.
Certifications

Our Services

- Structural steel fabrication, painting, galvanizing, pre-assembly
- Designing, fabrication and installation for Prefabricated steel
structure building
- Deepen or design the fabrication drawing or shop drawing based on
your architectural drawing and construction drawing
- We offer reasonable advices for usage, maintenance and technically
improve
Quality Control
QC/Technical Support
- Raw material quality control: Thickness tolerance <0.25mm; Yield and tension strength testing
in-house; Third party inspection certificate; Supply traceable mill
certificate
- Structural steel fabrication quality control: 100% testing dimension tolerance <1mm; 20% sample welding line
ultrasonic testing, no fault, full penetration; 20% magnetic powder
testing, no bubble, no defect, Smooth and Full; Supply third-party
inspection assistance
- Shot blasting and painting quality control: Shot blasting grade Sa. 2.5 Metal luster, no rust, no oil dirt, no
welding spatter, Roughness >75um; Paint primer within 5 hours
after shot blasting, Holiday-free coatings, smooth, No dust, Dry
Film Thickness (DFT) >75UM
- Pre-assembly testing the connection details

Packing And Delivery
Safe packaging and efficient loading

- Standard sea freight packaging: All structural components, panels, bolts, and accessories are
packaged in reinforced sea freight packaging to ensure that the
product is not damaged during transportation
- 40' HQ container loading: Optimize loading space, improve transportation efficiency, and
ensure product safety and stability
- Professional loading team: Operated by skilled workers using cranes and forklifts, strictly
following procedures to prevent damage to goods
We are committed to providing you with comprehensive protection
from packaging to loading, ensuring that products are delivered to
you in perfect condition.
Customer Visit

Component Showcase

Frequently Asked Questions
Q: You are manufacture factory or trading company?
A: We are manufacture factory. And you are welcomed to visit us at
any time. The quality control flow and sales team will show you our
professionalism. Also you will can get best and most competitive
price after visiting us.
Q: Is your price competitive compared with other companies?
A: Our business objectives are to give the best price with same
quality and best quality with the same price. We will do everything
we can to reduce your cost and guarantee you get the best product
that you paid for.
Q: Can you send engineers or whole team to install my project?
A: We will give detailed installation drawings for free. We can
send engineers as installation director or a team upon request.
Q: Do you accept container loading inspection?
A: You are welcomed to send an inspector, not only for the
container loading, but any time during the production time.
Q: Do you offer designing service for us?
A: Yes, we could design full solution drawings as your
requirements. By using AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla
Structures (Xsteel) and etc. we can design complex industrial
building like office mansion, super marker, auto dealer shop,
shipping mall, 5 star hotel.
Q: What is the delivery time?
A: Delivery time depends on order quantities. In general the
delivery time to nearest seaport in China will be 40 days after
receiving deposit.
Q: How can you get a quotation for your projects?
A: You can contact us by email, phone, WhatsApp, Viber and so on
24*7 and you will get reply within 8 hours.