| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 879.41 | USD | 20251029 |
| Beijing Yanshan Petro | China national standards | MT | 1157.49 | USD | 20251029 |
| Shandong Junfeng | China national standards | MT | 988.1 | USD | 20251029 |
| Lihuayi Shandong | China national standards | MT | 988.1 | USD | 20251029 |
| Sinopec | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Xima | China national standards | MT | 973.98 | USD | 20251029 |
| Sinopec | China national standards | MT | 1228.07 | USD | 20251029 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1298.65 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1333.94 | USD | 20251029 |