| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1227.51 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1192.24 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.39 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.39 | USD | 20251121 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.01 | USD | 20251121 |
| Shandong Zhiheng | China national standards | MT | 1171.08 | USD | 20251121 |
| Shandong Xima | China national standards | MT | 973.54 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1333.33 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251121 |