Private company

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Dango & Dienenthal is a German mechanical engineering company based in Siegen that specializes in the development and manufacturing of special machinery for metallurgy, melting, forging, and heat treatment of semi-finished products made of steel and non-ferrous metals. In addition, Dango & Dienenthal is active in the field of filter technology, offering filtration systems for liquids used across various industrial sectors.² It was founded in 1885.¹ Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.