| Manufacturing | # of obs. | percentage |
| Food, Beverage | 629 | 5.41% |
| Textile, Clothing, Leather Fiber | 476 | 4.09% |
| Paper, Printing | 288 | 2.48% |
| Petroleum, Chemical Products, Plastics | 1189 | 10.23% |
| Electrical Equipment | 526 | 4.52% |
| Metal, Non-metal Mineral Products | 1027 | 8.83% |
| Machinery | 1706 | 14.67% |
| Medicine, Biological Products | 931 | 8.01% |
| Others | 233 | 2.00% |
| Non-manufacturing |
|
|
| Agriculture | 184 | 1.58% |
| Mining | 363 | 3.12% |
| Transportation, Storage | 441 | 3.79% |
| Real Estate | 805 | 6.92% |
| Tourism, Hotel | 99 | 0.85% |
| Utilities | 450 | 3.87% |
| Intelligent Technology | 500 | 4.30% |
| Retail | 858 | 7.38% |
| Transmission and Entertainment | 29 | 0.25% |
| Personal and Social Service | 40 | 0.34% |
| Construction | 286 | 2.46% |
| Others | 567 | 4.88% |
| Total firm-year observations | 11,627 | 100% |