About Us

Manufacturing capabilities


Swiss Tower Mills Minerals AG has an agreement with KMF (Kärntner Maschinen Fabriken) GmbH to manufacture the VRMmills™ and VPMmills™. During the last 40 years KMF has produced more than 200 of these mills for the industrial minerals market. KMF has over 40 years’ experience in manufacturing fine grinding mills for the industrial minerals industry. KMF is ISO 9001 and ISO 14001 certified and holds numerous special certificates for welding and safety.

To take this long standing relationship to the next level, the joint company KMF & STM Production Gmbh (KSP) was forged in 2021. This new company focuses on managing logistics, supply chain and manufacturing management as well as investing in polyurethane expertise and tooling to ensure rapid, high quality spare part production, and continuous material development.