| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1156.54 | USD | 20251105 |
| Shandong Xima | China national standards | MT | 973.19 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1332.84 | USD | 20251105 |
| Sinopec | China national standards | MT | 1248.22 | USD | 20251105 |
| Sinopec | China national standards | MT | 888.56 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 1382.21 | USD | 20251105 |
| Shandong Shuojia Chem | China national standards | MT | 884.33 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 987.29 | USD | 20251105 |
| Sinopec | China national standards | MT | 874.46 | USD | 20251105 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.71 | USD | 20251105 |