Technology Partners –
Metso and Weir Minerals


“Metso is a frontrunner in sustainable technologies, end-to-end solutions and services for the aggregates, minerals processing and metals refining industries globally. We improve our customers’ energy and water efficiency, increase their productivity, and reduce environmental risks with our product and process expertise.” 

Metso is a large top tier technology company whose technologies and services help customers improve efficiency, productivity and help reduce environmental and economic risks. 

In 2012 Swiss Tower Mills Minerals AG and Outotec entered in to an exclusive technology agreement to market STM’s VRM (Vertical Regrind Mill) type mills.

Weir Minerals 

Weir Minerals is a leading global mining technology company delivering high-quality engineered products and solutions for slurry transportation, comminution and minerals processing applications in the mining and construction aggregates sector for over 150 years.

Weir Minerals Enduron® high pressure grinding rolls (HPGR) set the benchmark for energy efficient comminution. Weir Minerals recognised the benefits of integrating STM’s vertical stirred mills into their minerals processing flow sheets for coarse grinding applications worldwide, to achieve new heights in energy efficiency, reduce media consumption and improve liberation of minerals.

In 2022, Weir Minerals and STM entered into a technology alliance to accelerate sustainable mining, providing proven low energy alternatives to traditional high energy consuming tumbling mills.

For more information please contact Weir Minerals.