| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 638.03 | USD | 20251211 |
| CNPC | China national standards | MT | 637.43 | USD | 20251210 |
| CNPC | China national standards | MT | 637.25 | USD | 20251209 |
| CNPC | China national standards | MT | 637.33 | USD | 20251208 |
| CNPC | China national standards | MT | 637.46 | USD | 20251205 |
| CNPC | China national standards | MT | 637.61 | USD | 20251204 |
| CNPC | China national standards | MT | 637.42 | USD | 20251203 |
| CNPC | China national standards | MT | 637.06 | USD | 20251202 |
| CNPC | China national standards | MT | 637.37 | USD | 20251201 |
| CNPC | China national standards | MT | 637.1 | USD | 20251129 |