| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 849.83 | USD | 20251216 |
| Shandong Hongyang Chem | China national standards | MT | 1133.11 | USD | 20251216 |
| Shandong Jinwen Chem | China national standards | MT | 934.82 | USD | 20251216 |
| Shandong Chambroad | China national standards | MT | 736.52 | USD | 20251216 |
| Shandong Dongming Petro | China national standards | MT | 1883.8 | USD | 20251216 |
| Shandong Jinwen Chem | China national standards | MT | 934.82 | USD | 20251216 |
| Sinopec | China national standards | MT | 1005.64 | USD | 20251216 |
| Shandong Aite Chem | China national standards | MT | 1118.95 | USD | 20251216 |
| Huizhou Jincheng Petro | China national standards | MT | 1104.78 | USD | 20251216 |
| Shandong Chambroad | China national standards | MT | 736.52 | USD | 20251216 |