| Integrating CDU, FCC and product blending models into refinery planning Recent countries visiting this post |  |
 | 5 | United States |
 | 1 | China |
 | 1 |
| Integrating CDU, FCC and product blending models into refinery planning Recent countries visiting this post | |
| 5 | United States |
| 1 | China |
| 1 |