| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 637.1 | USD | 20251128 |
| CNPC | China national standards | MT | 637.19 | USD | 20251127 |
| CNPC | China national standards | MT | 637.04 | USD | 20251126 |
| CNPC | China national standards | MT | 636.77 | USD | 20251125 |
| CNPC | China national standards | MT | 636.58 | USD | 20251124 |
| CNPC | China national standards | MT | 636.33 | USD | 20251121 |
| CNPC | China national standards | MT | 636.06 | USD | 20251120 |
| CNPC | China national standards | MT | 636.36 | USD | 20251119 |
| CNPC | China national standards | MT | 636.5 | USD | 20251118 |
| CNPC | China national standards | MT | 636.86 | USD | 20251117 |