| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 803.89 | USD | 20251120 |
| Hubei 789 Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong QiFa Chem | China national standards | MT | 888.51 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 691.07 | USD | 20251120 |
| Jinan Jinrihe Chem | China national standards | MT | 698.12 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Wonfull Petro | China national standards | MT | 698.12 | USD | 20251120 |
| Shandong Xima | China national standards | MT | 705.17 | USD | 20251120 |