Gear- and transmission housings, covers, bearing housings, bearing covers and other machine components, require solid castings.

At BIRN we aid in the design phase to reach optimal cost-efficient product, and we offer our customers a competitive supply chain in serial production and prototyping.

We are specialized in redesigning welded components into cast iron components.


In-house engineering department, pattern and fixture production, combined with partnership network ensure competitive time-to-market for both prototypes and serial production.

Cost-efficient production

DISAMATIC moulding and core production, CNC grinding and automated CNC machining create a lean and efficient flow.


BIRN holds all relevant certifications on quality (ISO IATF), energy, environment, health & safety and off-shore certificates in place. TISAX IT security certification is in process.

Optimized value chain

All processes in-house, from design to surface treatment, combined with partnerships and consigned stock solutions provide one-stop-solution.

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We take responsibility

At BIRN we work proactively to reduce the negative environmental impacts connected with our operations.

More about our sustainability initiatives

Our services

Your certified partner



Manufacturers around the world trust us to bring out the best in their most critical parts – and we are ready to earn your trust.

Uwe Soesters, Key Account Manager

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