German Mining Equipment Company Housin
German Mining Equipment Manufacturers Suppliers of. Orenstein amp; Koppel (normally abbreviated to quot;Oamp;Kquot;) was a major German engineering company specialising in railway vehicles, escalators, and heavy equipment. It was founded on April 1, 1876 in Berlin by Benno Orenstein and Arthur Koppel. Originally a general engineering company, Oamp;K soon