| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 895.94 | USD | 20251121 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.61 | USD | 20251121 |
| Sinopec | China national standards | MT | 1227.51 | USD | 20251121 |
| Shandong Xima | China national standards | MT | 973.54 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.39 | USD | 20251121 |
| Sinopec | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Zhiheng | China national standards | MT | 1171.08 | USD | 20251121 |
| Sinopec | China national standards | MT | 1213.4 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.39 | USD | 20251121 |