| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Changyi Petro | China national standards | MT | 850.58 | USD | 20250919 |
| Shandong Yihe Chem | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Yihe Chem | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1061.47 | USD | 20250919 |
| Sinopec | China national standards | MT | 1089.58 | USD | 20250919 |
| Sinopec | China national standards | MT | 1251.27 | USD | 20250919 |
| Sinopec | China national standards | MT | 998.2 | USD | 20250919 |
| Sinopec | China national standards | MT | 1068.5 | USD | 20250919 |
| Sinopec | China national standards | MT | 1096.61 | USD | 20250919 |