Certified Steel Structures

From design to installation – we deliver projects in Poland, Germany, and across Europe.

Certified Steel Structures

From design to installation – we deliver projects in Poland, Germany, and across Europe.

Reliable Steel Structures

Your Projects, Our Steel Solutions

We provide production and installation of certified steel structures EXC3, designed for companies, industrial facilities, and development investments.

We specialize in steel halls, load-bearing structures, attached balconies, exterior stairs, and working platforms.

We operate in Poland and Germany, ensuring TÜV-certified quality, on-time delivery, and full safety.

MDJ Mtalltechnik

Certified Quality – TÜV Rheinland EXC3

Our steel structures meet the highest standards of quality and safety.
We hold the TÜV Rheinland EXC3 certificate, confirming our competence in the production and installation of steel structures in Poland, Germany, and across Europe.

MDJ Mtalltechnik

Our Specializations

Steel Structures

Production and installation of steel halls, load-bearing structures, and certified steel components EXC3.

Canopies and Carports

Steel canopies for companies and industrial projects. Modern carports and structures for photovoltaic systems – functional and aesthetic.

Industrial Stairs and Platforms

Steel exterior and technical stairs, as well as working platforms for industrial and construction projects.

Attached Balconies and Terraces

Modern steel structures for multi-family buildings and development projects.

Assembly and Welding

Professional execution – from project design to final installation.

Metalworking Services

Precision fabrication, welding, and custom steel details made to order.

Custom Projects

Tailored to client needs, in Poland, Germany, and across Europe.

Solid Steel in Practice 👉

See how steel takes shape in our projects!
We deliver steel structures, stairs, balconies, canopies, and photovoltaic carports – always with attention to quality, durability, and aesthetics.

Each project is a testament to our experience and reliability.

Steel Halls & Buildings

01.

Canopies & Solar Carports

02.

Certified Steel Structures EXC3

03.

Modular Balconies

04.

Industrial Stairs and Platforms

05.

Steel Railings & Balustrades

06.
154
CLIENTS
296
PROJECTS
8462
ELEMENTS
8
YEARS OF EXPERIENCE