| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250401 | |
| CNPC | China national standards | MT | USD | 20250331 | |
| CNPC | China national standards | MT | USD | 20250328 | |
| CNPC | China national standards | MT | USD | 20250327 | |
| CNPC | China national standards | MT | USD | 20250326 | |
| CNPC | China national standards | MT | USD | 20250325 | |
| CNPC | China national standards | MT | USD | 20250324 | |
| CNPC | China national standards | MT | USD | 20250321 | |
| CNPC | China national standards | MT | USD | 20250320 | |
| CNPC | China national standards | MT | USD | 20250319 |
