| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1089.58 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1061.47 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 970.08 | USD | 20250920 |
| Sinopec | China national standards | MT | 843.55 | USD | 20250920 |
| CNPC | China national standards | MT | 843.55 | USD | 20250920 |
| Sinopec | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Dongming Petro | China national standards | MT | 1869.87 | USD | 20250920 |
| Sinopec | China national standards | MT | 1096.61 | USD | 20250920 |
| Sinopec | China national standards | MT | 1096.61 | USD | 20250920 |
| Sinopec | China national standards | MT | 1068.5 | USD | 20250920 |