| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1013.3 | USD | 20251003 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20251003 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20251003 |
| Lihuayi Weiyuan Chem | China national standards | MT | 942.93 | USD | 20251003 |
| Sinopec | China national standards | MT | 914.78 | USD | 20251003 |
| Sinopec | China national standards | MT | 914.78 | USD | 20251002 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20251002 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20251002 |
| Beijing Yanshan Petro | China national standards | MT | 1013.3 | USD | 20251002 |
| Sinopec | China national standards | MT | 914.78 | USD | 20251001 |