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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Mibau-Stema Group at a glance

Mibau Holding GmbH headquartered in Cadenberge, Lower Saxony, heads the vertically structured group; this is where the company’s fortunes are controlled.

The group includes sales companies in the respective countries as well as production companies in Norway and intercompany logistics that used to be based in Denmark. As a joint venture between the Hartmann family and HeidelbergCement Group, we also distribute sand and gravel from various gravel depots in the HeidelbergCement Group.

We have lean structures and quick decision-making coupled with years of expertise to distinguish us.

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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Our products by four

 Asphalt, concrete, railway and road construction, sub-base/fill materials

> INFRASTRUCTURE

 Groynes and bank revetments, breakwaters, riverbed reinforcement

> HYDRAULIC ENGINEERING

Cable and pipeline construction, scour protection

> OFFSHORE

JOP, Jelsa base course, verge and sub-layer stabilisation, chipping blends, gabion stones

> SPECIAL APPLICATIONS