| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250603 | |
| Shandong Chambroad | China national standards | MT | USD | 20250530 | |
| Dongying Junyuan | China national standards | MT | USD | 20250530 | |
| CNPC | China national standards | MT | USD | 20250530 | |
| Shandong Chambroad | China national standards | MT | USD | 20250529 | |
| Dongying Junyuan | China national standards | MT | USD | 20250529 | |
| CNPC | China national standards | MT | USD | 20250529 | |
| Shandong Chambroad | China national standards | MT | USD | 20250528 | |
| Dongying Junyuan | China national standards | MT | USD | 20250528 | |
| CNPC | China national standards | MT | USD | 20250528 |
