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| Type | Company |
| Location | Cologne (North Rhine-Westphalia) |
| Founding | 1921 |
| Industry | Nonmetallic Minerals Industry |
| NACE code | 23.7 |
| GND | 219069-2 |
| Holdings | Newspaper clippings: 1927-1944, 1968-2004 Newspaper clippings: GB: 1925,1926,1928-1934,1936-1939,1940-1942,1947-1950,1952-1955,1957-1971, |
1989-1994,1996 Signature|A10 D 538 URI|https://pm20.zbw.eu/folder/co/006972 ID|co/006972