| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Sinopec | China national standards | MT | 848.02 | USD | 20251210 |
| Sinopec | China national standards | MT | 1003.21 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shandong Changyi Petro | China national standards | MT | 746.05 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 798.33 | USD | 20251209 |
| Shandong Chambroad | China national standards | MT | 734.74 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Huizhou Jincheng Petro | China national standards | MT | 876.04 | USD | 20251209 |