| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1043.31 | USD | 20251026 |
| Sinopec | China national standards | MT | 838.88 | USD | 20251026 |
| Sinopec | China national standards | MT | 817.73 | USD | 20251026 |
| Jinan Qi Mat | China national standards | MT | 1029.21 | USD | 20251026 |
| Wanhua Yantai | China national standards | MT | 845.93 | USD | 20251026 |
| Sinopec | China national standards | MT | 838.88 | USD | 20251025 |
| Sinopec | China national standards | MT | 817.73 | USD | 20251025 |
| Sinopec | China national standards | MT | 817.73 | USD | 20251025 |
| Sinopec | China national standards | MT | 817.73 | USD | 20251025 |
| Sinopec | China national standards | MT | 845.93 | USD | 20251025 |