Think BIG!
FD 32 Pro Hammer Mill
We celebrate
Anniversary
For feed, energy and more

Optimal processing of raw materials

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We are your reliable partner for high-quality size reduction and depackaging technology. We develop, produce and plan at our site in Hemdingen, Germany.

Complex systems and customer requirements are our specialty: From the first contact to the delivery of the optimal system and comprehensive after-sales service, we are your competent partner.

Get to know us as a customer, supplier or new employee.

Look, what Tietjen produces

Our main product areas and services

Our particle size reduction machines and depackers are characterized by their reliability and durability. It is not uncommon for them to be in use for more than 20 years.

Making optimum use of resources

Solutions for your industries

Experience for yourself our wide range of process technology solutions. We work together with the foodstuffs and animal feed industries as well as numerous other sectors.

Case Study
Discover our case studies
Wood pellets, Sweden
Modernization of a Biomass Power Plant
Aquafeed, Vietnam
Sustainable aquafeed production in Vietnam

Feel free to ask!

Get to know us.

Contact us
Contact us

  4 days until

BIOGAS AMERICAS


Always informed

Current news

About Tietjen

66 years of Tietjen, 66 years full of innovations, progress and challenges. We look back on 66 eventful years.


Research & Development

Thanks to the funding program, Tietjen can implement the patent and new mill technology.


Research & Development

Read here what’s new in the field of grinding at Tietjen.


Thomas Runde

The future of Tietjen:

“Our goal is to reduce resource consumption through innovations in grinding and plant construction, thus building a sustainable future.”

Thomas Runde, CEO of Tietjen
Turnkey Solutions
Ideas become functioning solutions
Plant Engineering Grinding

Feel free to ask!

Get to know us.

Contact us
Contact us