| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1679.01 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Fusheng | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Hualu | China national standards | MT | 938.27 | USD | 20251121 |
| Nanjing Guanshan Energy | China national standards | MT | 938.27 | USD | 20251121 |
| Shandong Fusheng | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 1100.53 | USD | 20251121 |
| Nanjing Waien Chem | China national standards | MT | 917.11 | USD | 20251121 |