| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 801.1 | USD | 20250928 |
| Shandong Jinwen Chem | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Jinwen Chem | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Laya Chem | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Fusheng | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Feiyang Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Jinshenrun Chem | China national standards | MT | 772.99 | USD | 20250927 |
| Shandong Jinshenrun Chem | China national standards | MT | 772.99 | USD | 20250927 |
| Shandong Jinshenrun Chem | China national standards | MT | 772.99 | USD | 20250927 |
| Shandong Wonfull Petro | China national standards | MT | 772.99 | USD | 20250927 |