| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Chambroad | China national standards | MT | USD | 20250411 | |
| Dongying Junyuan | China national standards | MT | USD | 20250411 | |
| CNPC | China national standards | MT | USD | 20250411 | |
| Shandong Chambroad | China national standards | MT | USD | 20250410 | |
| Dongying Junyuan | China national standards | MT | USD | 20250410 | |
| CNPC | China national standards | MT | USD | 20250410 | |
| Shandong Chambroad | China national standards | MT | USD | 20250409 | |
| Dongying Junyuan | China national standards | MT | USD | 20250409 | |
| CNPC | China national standards | MT | USD | 20250409 | |
| Shandong Chambroad | China national standards | MT | USD | 20250408 |