| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 854.85 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 854.85 | USD | 20251209 |
| Shandong Fusheng | China national standards | MT | 706.48 | USD | 20251209 |
| Shandong Wonfull Petro | China national standards | MT | 713.55 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.55 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.55 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.55 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Wonfull Petro | China national standards | MT | 748.87 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 714.26 | USD | 20251209 |