| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 789.53 | USD | 20251025 |
| 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 |
| Zibo Lishuo Chem | China national standards | MT | 845.93 | USD | 20251025 |
| Jinan Jinhao Chem | China national standards | MT | 1113.81 | USD | 20251025 |
| Wanhua Yantai | China national standards | MT | 845.93 | USD | 20251025 |
| Shandong Xima | China national standards | MT | 789.53 | USD | 20251025 |