1.Yinong Steel Structure

Headquarters: Zhejiang Province, China
Specialty: Pr-engineered buildings, light steel structures
Steel Grades: Q235, Q345 (ASTM equivalents available)
Export Markets: Southeast Asia, Middle East
Yinong Steel Structure is a flexible, export-oriented manufacturer specializing in practical steel building solutions across multiple sectors, including warehouses, logistics facilities, cold storage, agricultural buildings, and commercial units.
Unlike large state-owned enterprises, Yinong focuses on efficient communication, flexible customization, and fast delivery, making it particularly suitable for overseas clients.
The company integrates design, fabrication, and quality control, ensuring consistency between drawings and final production.
Key Advantages:
- Integrated design + fabrication workflow
- Fast delivery supported by proximity to major ports
- Strong quality control (certified welders, inspection processes)
- Flexible order quantities (low MOQ)
Best for:
✔ Small to mid-scale industrial projects
✔ Overseas buyers requiring fast execution
✔ Projects needing flexibility and responsive communication
2. Zhejiang Jiangnan Steel Structures

Headquarters: Zhejiang Province, China
Specialty: Structural steel fabrication for export
Key Products: Beams, columns, fasteners (HSN 7308, 7318)
Export Markets: USA, Philippines, Peru
Zhejiang Jiangnan Steel Structures is an export-focused manufacturer with proven shipment records across Asia-Pacific and the Americas.
The company primarily provides standardized structural steel components, making it suitable for contractors who already have detailed designs and require fabrication support.
Key Advantages:
- Verified international export experience
- Stable production of standard components
- Efficient logistics and port access
Best for:
✔ Contractors sourcing fabricated steel components
✔ Projects with completed design drawings
✔ Buyers prioritizing export experience
3. Duowei Union Group

Headquarters: Beijing, China
Founded: 1983
Certifications: AISC (USA), CE (EU), GOST (Russia), ISO 9001/14001
Global Presence: 90+ countries
Duowei Union Group is one of China’s most internationally certified steel structure manufacturers, with a diversified product portfolio including steel structures, metal enclosure systems, and cleanroom panels.
The company has supplied projects for global brands and operates multiple intelligent manufacturing bases.
Key Advantages:
- Extensive international certification coverage
- Strong engineering and system integration
- Experience in complex industrial environments
Best for:
✔ Industrial plants and manufacturing facilities
✔ Projects requiring multi-standard compliance
✔ Large international developments
4. Hangxiao Steel Structure

Headquarters: Hangzhou, Zhejiang, China
Founded: 1985 · Publicly Listed (Stock Code: 600477)
Certifications: AISC, EN1090, ISO standards
Awards: 600+ (including Luban Award)
Hangxiao Steel Structure is one of China’s most established and reputable steel structure companies, with strong involvement in national-level projects and high-rise construction.
The company offers financial transparency, technical authority, and a large project portfolio, making it a reliable partner for institutional clients.
Key Advantages:
- Strong brand reputation and government recognition
- Extensive project experience across industries
- Public-company accountability
Best for:
✔ High-rise and commercial buildings
✔ Government or institutional projects
✔ Buyers requiring strong credibility
5. Anhui Honglu Steel Construction

Headquarters: Hefei, Anhui Province, China
Founded: 2002 · Listed Company (002541)
Production Capacity: 6+ million tons annually
Global Projects: 30+ countries
Honglu Steel Construction is one of the largest steel structure manufacturers in China by production capacity, supported by multiple large-scale production bases.
The company focuses on high-volume production and large infrastructure projects, offering strong manufacturing efficiency.
Key Advantages:
- Massive production capacity
- Standardized manufacturing systems
- Strong execution for large-scale projects
Best for:
✔ Large industrial and infrastructure projects
✔ High-volume procurement
✔ Clients prioritizing production scale
How to Choose the Right Steel Structure Supplier in China
When evaluating suppliers, consider:
- Project scale: Small warehouse vs large industrial complex
- Technical standards: AISC, EN, or local building codes
- Delivery timeline: Fabrication and shipping capability
- Export experience: Proven international projects
- Quality control: Welding certification, inspection systems
- Communication efficiency: Response speed and clarity



