Hansen & Rosenthal (H&R) GmbH & Co. KG

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As an international engineering and service group developed, built, maintains and operates Bilfinger installations and structures for infrastructure, real estate, and energy industries
The company Hentschke + Sawatzki CHEMICAL GMBH is since its inception in 1954 leading and recognized chemistry Professional, which is closely associated with a variety of well-known, international institutions, companies and public authorities throug