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Metso Acquires Swiss Tower Mills Minerals: Enhancing Fine Grinding Technology

Swiss Tower Mills Minerals acquired by Metso

AcquisitionManufacturing/Industrial

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Swiss Tower Mills Minerals logo
Acquired

Swiss Tower Mills Minerals

Mining

Undisclosed amount

August 6, 2025

Metso logo
Acquirer

Metso

Industrial Machinery Manufacturing

### Metso Acquires Swiss Tower Mills Minerals: A Strategic Move to Enhance Energy-Efficient Solutions in Mining

In a significant development for the mining industry, Metso has announced the acquisition of Swiss Tower Mills Minerals AG (STM), a pioneering company known for its innovative fine grinding technology. While the acquisition amount remains undisclosed, this partnership is poised to bolster Metso's position as a leader in energy-efficient solutions for the mining sector.

Founded in 2012, STM has quickly established itself as a key player in the mining industry, providing advanced grinding technologies that minimize energy consumption. With over 200 grinding mills in operation, including the well-regarded HIGmill™, STM has demonstrated its capability in transforming industrial mineral processing. On the other hand, Metso, a global leader in mining and aggregates solutions, has long been a partner of STM, exclusively marketing and servicing the HIGmill™.

The strategic rationale behind this acquisition lies in Metso’s commitment to delivering comprehensive, energy-efficient solutions for its customers. By integrating STM's fine grinding technology into its existing portfolio, Metso can expand its capabilities in designing optimized comminution circuits. This enhancement aligns with the growing industry demand for more sustainable practices, particularly in energy-intensive processes like grinding.

Industry experts suggest that this acquisition could significantly alter market dynamics, particularly as companies strive to reduce operational costs while increasing efficiency. With the combined strengths of STM’s innovative grinding solutions and Metso’s extensive service offerings, the partnership is expected to drive advancements in energy savings and operational performance. This could result in a competitive edge in a market increasingly focused on sustainability and cost-effectiveness.

"By acquiring STM, we are not just expanding our product range; we are enhancing our ability to provide tailored solutions that meet the evolving needs of our customers in the mining sector,” said an illustrative quote from a Metso executive.

Looking ahead, the integration of STM into Metso’s operations is likely to yield innovative solutions that address the pressing challenges of energy consumption and resource optimization in mining. As the industry continues to evolve, this acquisition marks a pivotal step towards a more sustainable future, ensuring that Metso remains at the forefront of technological advancements in the mining sector.

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Comminution Equipment
Process Optimization

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