MS Beltnes in action

From the Norwegian quarry Jelsa to the terminal in Kiel

Production in Jelsa

Find more about our production processes


Mibau and Stema keep the stones rolling...

Mibau and Stema exemplify as full-service suppliers within the mineral construction industry in Northern Europe, with production, logistics and distribution combine as an unbeatable and highly efficient unit.

Mibau and Stema manufacture and deliver screened aggregates for asphalt,concrete, railway ballast, Rock Armor, construction material blends for frost protection, pipe bedding, sustainable drainage, loose gravels and crushed stone sub bases, and natural white lysite aggregates.

A modern fleet of self-discharging vessels rounds off our logistics delivering high-quality aggregates on schedule, either directly to you on site or indirectly via one of more than forty terminals along the North Sea and Baltic Sea coastline.

Please do not hesitate to contact us for details on our complete product range and delivery options // CONTACT


June 2020

Commissioning of the new tertiary plant 

Successful start of production at the new F100 tertiary plant in Jelsa. 

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August 2020

MV Starnes successfully delivered to Owners

The first of two CSL-Hartmann joint venture ships built at Chengxi Shipyard is going to join Mibau-Stema's fleet of self-unloading ships

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July 2020

Some impressions ...

of our quarries, terminals and self unloaders

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Saving time and cost by supply of material direct to the project worksite, using our specialised self-discharging vessels.