| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 846.05 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Laya Chem | China national standards | MT | 789.64 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 789.64 | USD | 20251023 |
| Wanhua Yantai | China national standards | MT | 879.89 | USD | 20251023 |
| Wanhua Yantai | China national standards | MT | 895.4 | USD | 20251023 |
| Shandong Jinwen Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yaoming Chem | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Kaitai Petro | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Kaitai Petro | China national standards | MT | 916.55 | USD | 20251023 |