| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Zhongke GD | China national standards | MT | USD | 20250303 | |
| Sinopec | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| Sinopec | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 | |
| CNPC | China national standards | MT | USD | 20250303 |