| Unit | Business activity |
|---|---|
| Nanjing Station | Maritime |
| Nanjing Station | Survey CMC for Class |
| Nanjing Station | Survey Vessels Under Construct |
| Nanjing Station | Surveys of Vessels in Oper. |
| Nanjing Station - CMC | Maritime |
| Nanjing Station - Newbuilding | Maritime |
| Nanjing Station - SIO | Maritime |
| West China District | Maritime |