| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 831.83 | USD | 20251025 |
| Zibo Lishuo Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Sinopec | China national standards | MT | 838.88 | USD | 20251024 |
| Sinopec | China national standards | MT | 845.93 | USD | 20251024 |
| Sinopec | China national standards | MT | 789.53 | USD | 20251024 |
| Zibo Lishuo Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Laya Chem | China national standards | MT | 789.53 | USD | 20251024 |
| Wanhua Yantai | China national standards | MT | 845.93 | USD | 20251024 |
| Wanhua Yantai | China national standards | MT | 895.27 | USD | 20251024 |
| Shandong Kaitai Petro | China national standards | MT | 916.42 | USD | 20251024 |