| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Jinshenrun Chem | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Jinshenrun Chem | China national standards | MT | 843.27 | USD | 20250926 |
| Luxi Chem | China national standards | MT | 843.27 | USD | 20250926 |
| Lihuayi Shandong | China national standards | MT | 801.1 | USD | 20250926 |
| Shandong Energy | China national standards | MT | 787.05 | USD | 20250926 |
| CNPC | China national standards | MT | 772.99 | USD | 20250926 |
| CNPC | China national standards | MT | 801.1 | USD | 20250926 |
| Sinopec | China national standards | MT | 772.99 | USD | 20250926 |
| Wanhua Chem | China national standards | MT | 758.94 | USD | 20250926 |