Table 2. The names of the business sectors and their corresponding abbreviations.
| Abv | Sector Name |
|---|---|
| IT | Computer |
| NBF | Non-Bank Financial |
| FB | Financial Bank |
| NFM | Non-ferrous Metal |
| MB | Medical Biology |
| CI | Chemical Industry |
| PS | Public Service |
| MI | Military Industry |
| Coal I | Coal Industry |
| EE | Electrical Equipment |
| RE | Real Estate |
| Tran | Transportation |
| Comm | Communication |
| AI | Automobile Industry |
| EI | Electronic Industry |
| DG | Daily Consumer Goods |
| ME | Mechanical Equipment |
| BD | Building Decoration |
| HEA | Household Electric Appliances |
| FB-I | State-owned bank |
| FB-II | Joint-stock bank or private bank |
| Agri | Agriculture |
| Null | No obvious category |
The first column display the abbreviations for the Sector Names. “Null” represents the one we could not identify.