About Us

MDJ Metalltechnik – Your Partner in Steel Structures

 

MDJ Mtalltechnik

Our Story

The company MDJ Metalltechnik was born out of a passion for creating and a love for steel.

For over 8 years, brothers Mateusz and Dawid Janczyk have been developing a company specializing in the production of a wide range of steel structures.

We started with simple fences and railings, and today we deliver advanced certified projects such as attached balcony structures, industrial photovoltaic canopies, and steel halls.

Why Us?

MDJ Mtalltechnik

Quality and Safety

Our products are TÜV certified (EXC2, EXC3), confirming the highest standards of quality and safety.

MDJ Mtalltechnik

Experience and Growth

For over 8 years we have been operating in the industry, successfully completing both small and large-scale projects

MDJ Mtalltechnik

Poland, Germany, Europe

Production takes place at our headquarters, while assembly is carried out across Poland, Germany, and the rest of Europe.

Our Expert Installation Team – Precision and Experience Across Europe

MDJ Metalltechnik is a company open to new challenges and unconventional projects – from concept to completion.
Our team consists of experienced professionals who take care of every detail of the structure.

MDJ Mtalltechnik

Berlin

Installation of balconies on a residential building.

MDJ Mtalltechnik

Stuttgart

Execution of a steel structure in an industrial facility.

MDJ Mtalltechnik

Biberach

Installation of evacuation stairs over four floors.

Got a Project? We’ll Bring It to Life for You!

Get in touch with us – together, we’ll find the perfect solution.