| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20250522 | |
| CNPC | China national standards | MT | USD | 20250522 | |
| Ningxia Baofeng | China national standards | MT | USD | 20250522 | |
| Yanchi Ninglu | China national standards | MT | USD | 20250522 | |
| CNPC | China national standards | MT | USD | 20250522 | |
| CNPC | China national standards | MT | USD | 20250522 | |
| CNPC | China national standards | MT | USD | 20250522 | |
| Puyang Fengli | China national standards | MT | USD | 20250521 | |
| Sinopec | China national standards | MT | USD | 20250521 | |
| CNPC | China national standards | MT | USD | 20250521 |
