| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250418 | |
| Shandong Chambroad | China national standards | MT | USD | 20250417 | |
| Dongying Junyuan | China national standards | MT | USD | 20250417 | |
| CNPC | China national standards | MT | USD | 20250417 | |
| Shandong Chambroad | China national standards | MT | USD | 20250416 | |
| Dongying Junyuan | China national standards | MT | USD | 20250416 | |
| CNPC | China national standards | MT | USD | 20250416 | |
| Shandong Chambroad | China national standards | MT | USD | 20250415 | |
| Dongying Junyuan | China national standards | MT | USD | 20250415 | |
| CNPC | China national standards | MT | USD | 20250415 |
