MS Beltnes in action

From the Norwegian quarry Jelsa to the terminal in Kiel

Production in Jelsa

Find more about our production processes

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Known for their excellent quality:
Norwegian quarries

The Norwegian mountains have some of the oldest stone in the world, and we use this natural richness in our own quarries. Mibau and Stema ship the hard stone from here to coastal regions on the North Sea and Baltic Sea areas, where hard stone is rare.

These quarries produce between ten and twelve million tonnes of stone for export to more than forty terminals in Northern Europe. We set the highest standards on the quality of our products, and above all for the safety of our employees.

Qualitiy is assured by factory production controls in our laboratories, as well as ongoing 3rd party quality monitoring by accredited external organisations.

We manufacture as sustainably as possible; at the end of the quarries life, the mined areas will be returned to the natural state after the production facilities have been dismantled and removed – we ensure this by quarrying down to a hundred meters below sea level. This will make renaturalization a simple matter in ensuring that the influence of human activity will completely vanish – the future begins today at Mibau and Stema.

Our products in application

Jade-Weser-Port (Deutschland)

Jade-Weser is the Germany’s only deepwater port, and allows ships with up to 16.5 metres draught to enter regardless of tide as the Jade channel fairway has a depth of eighteen metres. Constructing the port was the project of a century for Bremen and Lower Saxony.

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Meerwind

Two offshore wind farms around 23 kilometers north of Helgoland. Eighty wind turbines supply around 360,000 households a year with electricity.

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Motorway – Soenderborg

New motorway construction with supply of materials and logistics by Mibau and Stema

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