Stable Prefabricated Steel Structure Assemble widely used
Self-designed sturdy multi-purpose steel structure suitable for
warehouses, workshops, Multi-storey building ,shopping malls,
exhibitions, offices, and
Product Specifications
| Attribute | Value |
|---|
| Application Fields | Warehouse, Multi-building, Workshops & plants, Hospital, School,
Office, Apartment |
| After-sale Service | Online technical support,Onsite Installation, |
| Raw Steel Material | Q235B, Q355B( ASTM A36) |
| Frame Type | Portal Frame/ Steel Frame |
| Design Parameter | Wind Load, Snow Load And Earthquake grade |
| Structure Life Span | 45-50 Years |
Steel Structure Description
Prefabricated steel structure building system comprises structure
frame system,panel cover system, fitting system , and other
accessories . The steel frame system is like the building's
skeleton ,panel system is like panel cover system. Fitting system
is bolts connected with all frame . The other accessories is
including the window ,door , ventilation and so on . It could bear
harsh weather conditions such as strong winds, heavy rain, and
heavy snow. All metal components prefabricated in our workshop will
be assembled using bolts, enabling convenient and efficient
installation while reducing labor costs.
Construction Features
- Lightweight construction with high strength, large spans, and
reduced foundation pressure
- Shorter construction period compared to concrete buildings with
simple on-site assembly
- 20-30% lower investment cost than traditional buildings
- High fireproof performance and corrosion resistance
- Buildings can be disassembled, moved easily, and recycled with no
pollution
Technical Specifications
| Dimension | Length × width × eave height, roof slope |
|---|
| Type | Single/double/multi-slope; Single/double/multi-span;
Single/double/multi-floor |
|---|
| Foundation | Concrete and steel foundation bolts |
|---|
| Column and Beam | Hot rolled or welded H steel Q355B, high strength bolts connection,
straight or variable cross-section |
|---|
| Bracing | X or V type bracing made from angle steel or pipe |
|---|
| C/Z Purlin | Q235B C/Z section steel (C160-300 or Z160-300) |
|---|
| Roof/Wall Panel | Single colorful corrugated steel sheet or sandwich panel with EPS,
rock wool, glass wool, or PU insulation |
|---|
| Accessories | Skylight belts, ventilators, down pipes, gutters, doors, windows |
|---|
| Surface Treatment | Painting or hot dip galvanized |
|---|
| Package | Nude or packed on steel pallet in 40'HQ/OT containers |
|---|




Our product
We implement rigorous quality control measures throughout the
project lifecycle, including:
- Material inspections before and after fabrication
- Precision measuring, cutting, and welding
- Accurate hole and cleat placement
- Proper packaging and loading sequence
- On-site erection when required

Company Profile
Qingdao Tsin Steel Structure Construction Technology Co., Ltd.
provides integrated solutions for steel structure workshops,
warehouses, and multi-storey buildings, including:
- Layout consulting and structural design
- Fabrication and delivery solutions
- Installation guidance
Our production capacity reaches 2,500 tons per month across
20,000m² of workshop space (30,000m² total factory area). We
operate complete production lines for H steel, C/Z purlins, and
various steel sheet and sandwich panels.

Frequently Asked Questions
Q1: Can I visit your factory before ordering?
A: Yes, we welcome factory visits. We can arrange airport pickup
from Qingdao Airport and assist with hotel bookings.
Q2: How do we cooperate on a project?
A: Our process includes: 1) Receiving your project details, 2)
Providing free design drawings, 3) Contract signing with 30%
deposit, 4) Design confirmation, 5) Production with final payment
before shipment, 6) Optional installation services.
Q3: What is the price range?
A: Prices vary by material quality, size, and design complexity,
typically ranging from $19 to $100+ per square meter.
Q4: Do you provide installation service?
A: We provide detailed construction drawings and manuals. For
on-site installation, we can send workers and engineers at the
buyer's expense for travel, accommodation, and daily costs.
Q5: What is the delivery time?
A: Typically 30 days after deposit receipt, with partial shipment
available for large orders.
Q6: What anti-rust treatments are available?
A: Options include: normal anti-rust paint, epoxy zinc primer,
hot-dip galvanization, hot-dip galvanization with PU finish, or
stainless steel (301/304/316).
Q7: How is quality controlled?
A: Our products meet CE EN1090 and ISO9001:2008 standards, with
quality inspection reports provided for all materials and
manufacturing processes.
Q8: Why are your prices higher than competitors?
A: We use premium steel from major Chinese mills, smarter designs
balancing safety and economy, durable high-grade components
(lasting 10-20 years), and avoid cost-cutting measures that
compromise long-term value.