| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 1013.27 | USD | 20250925 |
| Luxi Chem | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 745.88 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 745.88 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Laya Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Energy | China national standards | MT | 788.1 | USD | 20250925 |
| CNPC | China national standards | MT | 774.03 | USD | 20250925 |
| CNPC | China national standards | MT | 802.17 | USD | 20250925 |
| Sinopec | China national standards | MT | 774.03 | USD | 20250925 |