| Principal component factors | Components | Factors | Weights |
| WI | I1 | Exhibition image cognition factor | 0.555 |
| I2 | Exhibition brand factor | 0.445 | |
| WS | S1 | Reachability factor | 0.529 |
| S2 | Service perception factor | 0.471 | |
| WC | C1 | Direct cost factor | 0.535 |
| C2 | Indirect cost factor | 0.465 |