| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 975.21 | USD | 20251203 |
| Sinopec | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Chambroad | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 974.66 | USD | 20251202 |
| Sinopec | China national standards | MT | 1257.17 | USD | 20251202 |
| Huizhou Jincheng Petro | China national standards | MT | 1101.79 | USD | 20251202 |
| Sinopec | China national standards | MT | 1002.91 | USD | 20251202 |
| Sinopec | China national standards | MT | 1094.73 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1066.47 | USD | 20251202 |
| Shandong Chambroad | China national standards | MT | 1073.54 | USD | 20251202 |