| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Dongming Petro | China national standards | MT | 787.18 | USD | 20251201 |
| Sinopec | China national standards | MT | 1271.92 | USD | 20251201 |
| Xingtai Risun | China national standards | MT | 1286.06 | USD | 20251201 |
| Shandong Changyi Petro | China national standards | MT | 741.96 | USD | 20251201 |
| Shandong Chambroad | China national standards | MT | 734.89 | USD | 20251201 |
| Shandong Chambroad | China national standards | MT | 734.89 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Sinopec | China national standards | MT | 932.74 | USD | 20251201 |