Steel and Metal Construction for Large-Scale Industrial Projects

Structural systems, industrial steel construction, and custom fabrication—all from a single source—designed, manufactured, and assembled in accordance with European standards. As a steel construction company specializing in large-scale industrial projects, HDAO GIGA Technology brings the entire process under one roof, from plant design to on-site installation.

17+ years of experience

Manufacturing & Assembly in accordance with EN 1090

35,000+ metric tons of STEEL STRUCTURES INSTALLED

ISO-certified

Why Steel Construction Rarely Stands Alone in Major Projects

In large-scale industrial projects, steel construction is almost never a standalone trade. Structural frameworks, machine frames, and plant steelwork interact with nearly every other trade in terms of both structural design and scheduling. Foundations, utility routing, equipment installation, and electrical work all depend on the same structural steel points. If planning proceeds separately from fabrication and assembly, this is precisely where the interfaces break down. Approvals are delayed, rework occurs on the construction site instead of at the factory, and the overall project schedule comes under pressure. The actual bottleneck is rarely the welding itself, but rather the coordination between design, fabrication, logistics, and the adjacent trades.

For structures manufactured in Asia, there is an additional hurdle. Structures that are standard in their country of origin must be brought into compliance with European standards before they can be used and approved here. EN 1090, CE conformity, and machine safety are not mere formalities, but prerequisites for commissioning. Anyone who separates steel construction, knowledge of standards, and installation experience shifts this risk to the construction site. HDAO GIGA Technology combines both and bridges the gap between Asian manufacturing and European standards, ensuring that a delivered structure becomes a tested, load-bearing system.

Steel Construction Industry: The Entire Supply Chain Through a Single Point of Contact

As a contractor specializing in industrial steel construction, HDAO GIGA Technology covers the entire value chain: shop and installation planning, in-house manufacturing, surface protection, logistics, and on-site steel construction assembly. Whether it’s a support structure for a production hall, steel construction for plant engineering, or machine frames for a production line, responsibility rests with a single team and a single point of contact. HDAO GIGA Technology scales its capacity through its own work contracts with clearly defined scopes of work and its own on-site construction management.

Services in Steel and Metal Construction

Structural & Construction Steelwork

Structural systems for buildings and facilities, columns, beams, platforms, and podiums for production and industrial buildings. Structurally tested, manufactured in accordance with EN 1090, and designed to meet the requirements of gigafactories and large-scale projects.

Machinery and Plant Steel Construction

Machine frames, frames, enclosures, and welded assemblies for production lines and equipment. From individual assemblies to mass production, tailored to the machine layout and the surrounding installation.

Metal Fabrication & Custom Manufacturing

Custom designs, sheet metal and stainless steel fabrication, and prototype optimization. When standard solutions aren’t sufficient, HDAO GIGA Technology develops and manufactures custom-fit components and refines prototypes until they are ready for mass production.

A craft, seamlessly integrated

You need more than just steel construction. As the general contractor, HDAO GIGA Technology coordinates the project—including industrial assembly, machinery relocation, and planning services—so that the various aspects of the project come together seamlessly rather than falling apart.

For example, HDAO GIGA Technology supplies steel structures—
—that support the structure.

End-to-End Production and Assembly Planning

At HDAO GIGA Technology, planning, manufacturing, and assembly are not carried out separately but are closely integrated. Shop floor and assembly planning are conducted with BIM support and in collaboration with a dedicated planning partner, ensuring that approvals are obtained early and assembly begins without any surprises.

Certified Manufacturing & Documented Quality

Manufacturing and assembly are performed in accordance with EN 1090, using certified welding procedures and certified personnel. Quality is documented, not merely claimed—from weld inspections to the acceptance documentation you need for commissioning and operation.

Integrated with the other trades

At HDAO GIGA Technology, steel construction isn’t the only focus. This trade is coordinated with industrial assembly, electrical installation, and equipment commissioning to ensure that the construction site’s interfaces don’t become your own.

35,000+ metric tons

Steel structure installed

2.500.000+

Installation hours

17+

Years of experience

200+

Completed Projects

150.000+

Engineering Hours

15+

Active in countries

Five Steps from Measurement to Handover

Surveying &
Plant Design

As-built survey, structural analysis, and shop and field fabrication planning using BIM.

Machine Shop & Welding

Manufacturing at the plant in accordance with EN 1090, using certified welding procedures and accompanying quality inspections.

Surface Protection & Logistics

Corrosion protection tailored to the environment, followed by on-time delivery to the construction site.

On-site installation

Project

Connecting a Battery Cell Production Line

View Project »

25. May 2026

Why HDAO GIGA Technology at the
Steel and Metal Construction

Everything from a single source

Planning, fabrication, and installation all come together, complemented by the other trades.

Scalable Capacity

Work is performed on a per-project basis. Payment is due for the completed project, not for the hours worked.

's International Operations

Installation teams work throughout the DACH region and beyond, wherever your project is located.

Certified and secure

Manufacturing and assembly in accordance with EN 1090, with documented quality and machine safety.

Hand it over clean

The end result is a tested design with complete acceptance documentation.

Frequently Asked Questions About Steel Construction and Metal Fabrication

What do steel construction and metal fabrication entail at HDAO GIGA Technology?

HDAO GIGA covers the entire industrial steel and metal construction chain: plant and assembly planning, manufacturing, surface protection, logistics, and on-site assembly. This includes structural and construction steelwork, steelwork for machinery and equipment, as well as custom manufacturing and prototype optimization.

What standards does HDAO GIGA Technology follow in its manufacturing and assembly processes?

Fabrication and assembly are performed in accordance with EN 1090 for steel and aluminum structural systems. Welding is carried out using qualified procedures and by certified personnel in accordance with EN ISO 9606. Where necessary, non-destructive testing methods such as UT and MT are used, and quality is documented throughout the process.

Will HDAO GIGA Technology serve as the general contractor for the steel construction portion of the overall project?

Yes. HDAO GIGA carries out steel construction as a separate trade and, as the general contractor, coordinates it with the other services, such as industrial assembly, machinery relocation, and planning. This way, responsibility for the interfaces is consolidated under a single point of contact.

In which countries does HDAO GIGA Technology install steel structures?

The focus is on the DACH region and Europe, supplemented by projects with close ties to the Asian market. Installation teams work internationally, wherever the project is located.

How does HDAO GIGA Technology bring steel structures manufactured in Asia into compliance with European standards?

HDAO GIGA inspects delivered designs for compliance with EN 1090, CE marking, and machine safety requirements, and modifies them before they are assembled and accepted in Europe. Serving as a bridge between Asian manufacturing and European standards, HDAO GIGA bridges the gap between delivery and a standards-compliant, structurally sound facility.

Industrial installation that delivers on the schedule.

Your contact person

Sebastian Römer

Sales Manager

Are you planning a large-scale industrial project?

We'll get it up and running on schedule.

Tell us about your project—from structural engineering to mechanical steel construction. You’ll receive a prompt response and a clear next step.