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| Formerly | Waggonfabrik Uerdingen |
|---|---|
| Industry | manufacture of railway locomotives and rolling stock (NACE 30.2) vehicle construction  |
| Predecessor | Düsseldorfer Waggonfabrik |
| Founded | March 1898 |
| Fate | Merged into Siemens Mobility |
| Successor | Siemens & Halske |
| Headquarters | Krefeld, Germany |
| Products | Rolling stock |
| Parent | Siemens |
| Website | www.duewag.de |
Düwag or Duewag, formerly Waggonfabrik Uerdingen, was a German manufacturer of rail vehicles. It was sold in 1999 to Siemens with the brand later retired.