| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250519 | |
| Shandong Chambroad | China national standards | MT | USD | 20250516 | |
| Dongying Junyuan | China national standards | MT | USD | 20250516 | |
| CNPC | China national standards | MT | USD | 20250516 | |
| Shandong Chambroad | China national standards | MT | USD | 20250515 | |
| Dongying Junyuan | China national standards | MT | USD | 20250515 | |
| CNPC | China national standards | MT | USD | 20250515 | |
| Shandong Chambroad | China national standards | MT | USD | 20250514 | |
| Dongying Junyuan | China national standards | MT | USD | 20250514 | |
| CNPC | China national standards | MT | USD | 20250514 |
