Issuer ? SOCIETE FRANÇAISE DES CHARBONNAGES D'ALONG ET DONG-DANG (TONKIN)
| Year | Bénéfices nets | Bénéfices bruts |
|---|---|---|
| 1926 | 472.800 | |
| 1927 | 809.800 | |
| 1929 | 881.600 | |
| 1930 | 98.200 | |
| 1931 | 427.557 | 698.916 |
| 1951 | 1.735.482 |
| Year | Bénéfices nets | Bénéfices bruts |
|---|---|---|
| 1926 | 472.800 | |
| 1927 | 809.800 | |
| 1929 | 881.600 | |
| 1930 | 98.200 | |
| 1931 | 427.557 | 698.916 |
| 1951 | 1.735.482 |