Prefab Bolt Connection Industrial Steel Building Structure Workshop
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 |
| Certification | CE, AISC, SGS, BV, ISO, GB |
| Drawing | CAD, TEKLA, 3D Model, PKPM, BIM |
| HS Code | 9406900090 |
| Installation | Engineer Guidance on Site |
| Shot Blasting Level | SA 2.5 |
| 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
- Lighter weight compared to traditional building materials while
maintaining high strength
- Excellent seismic performance due to material uniformity and good
toughness
- Faster construction speed and lower cost than reinforced concrete
structures
- Environmentally friendly construction with recyclable materials
Technical Specifications
| Steel Frame | H section steel | Q235/Q355 steel 8mm/10mm |
| Welding | Automatic submerged arc welding |
| Rust removal | Sand blasting |
| Surface finish | Alkyd paint or galvanized |
| Intensive bolt | M20, Grade 10.9 |
| Supporting System | Angle brace | L50x4, Steel Q235, processed and painted |
| Horizontal brace | Φ20, Steel Q235, processed and painted |
| Column brace | Φ20, Steel Q235, processed and painted |
| Tie rod | Φ89*3, Steel Q235, processed and painted |
| Ordinary bolt | M12 Galvanized bolt |
Roof System
| Purlin | C160*60*2.5, Steel Q235, galvanized and painted |
| Roof panel | Sandwich panel or corrugated steel sheet |
| Sunlight | 1mm thick PVC |
| Accessories | Glass cement, self-tapping screws, etc. |
| Edge cover | 0.4mm steel sheet profile trimming |
| Gutter | 0.4mm thick sheet steel profile or galvanized sheet |
| Down pipe | Φ110PVC |
Wall System
| Purlin | C160*60*2.5, Steel Q235, painted |
| Wall | Sandwich panel or corrugated steel plate |
| Accessories | Glass cement, self-tapping screws, etc. |
| Edge cover | 0.4mm steel sheet profile trimming |
| Ventilation | Powered Ventilation ball |
| Doors & windows | Rolling door/sliding door PVC/alu/steel/window |
Project Showcase

Project Usage: High-End Intelligent Hydraulic Machine Tool Equipment
Size of the plant: Total Area 9,702 Sqm
Steel Structure Weight: 630Ton

Project Usage: Logistics Steel Warehouse For High-Speed Rail Station
Size of the plant: Total Area 24,570 Sqm
Steel Structure Weight: 985Ton

Project Usage: Textile Manufacturing Machine Tool Equipment
Size of the plant: Total Area 6,615 Sqm
Steel Structure Weight: 750Ton
About Qingdao Ruly Steel Engineering Co., Ltd
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.
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
Packaging & Shipping
All the structure components, panels, bolts and sort of accessories
will be well packed with standard package suitable ocean
transportation and loaded into 40'HQ.
All the products are loaded at the loading site of our factory
using crane and forklift by our skilled workers, who will prevent
the goods to be damaged.
Frequently Asked Questions
Are you a manufacture factory or trading company?
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.
Is your price competitive compared with other companies?
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.
Can you send engineers or whole team to install my project?
We will give detailed installation drawings for free. We can send
engineers as installation director or a team upon request.
Do you accept container loading inspection?
You are welcomed to send an inspector, not only for the container
loading, but any time during the production time.
Do you offer designing service for us?
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.
What is the delivery time?
Delivery time depends on order quantities. In general the delivery
time to nearest seaport in China will be 40 days after receiving
deposit.
How can you get a quotation for your projects?
You can contact us by email, phone, WhatsApp, Viber and so on 24*7
and you will get reply within 8 hours.
Why Choose Us?
- Professional design team, we could design the drawing as your
requirement or calculate the steel quantity based on your drawing
- Skilled fabrication team and advanced equipment. We make the
independent production schedule to each project
- One-stop service: We have completed lots such kinds of projects, we
could provide the integrated proposal for your project
- Professional QC team will guarantee that we will provide the
production and service as your request
- After sales service: If it has any questions that need us to do in
your process of using, such as the maintain of outside insulation
and steel components, just tell us, we will try to provide the
service as well as we can
How to Get a Quotation
The following question we need to know before making the price.
Just feel free to fill what you know.