| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 747.22 | USD | 20251021 |
| Shandong Wonfull Petro | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Angxin Chem | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Wonfull Petro | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Angxin Chem | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Jinrihe Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Jinan Jinrihe Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Jinan Jinrihe Chem | China national standards | MT | 733.12 | USD | 20251021 |
| Jinan Jinrihe Chem | China national standards | MT | 733.12 | USD | 20251021 |
| Jinan Jinrihe Chem | China national standards | MT | 719.02 | USD | 20251021 |