| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Tangshan Risun | China national standards | MT | USD | 20251201 | |
| TJ Bohai Chem | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251201 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 |