| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Guanshan Energy | China national standards | MT | 972.53 | USD | 20251017 |
| Nanjing Guanshan Energy | China national standards | MT | 965.48 | USD | 20251017 |
| Shandong Hualu | China national standards | MT | 965.48 | USD | 20251017 |
| Nanjing Waien Chem | China national standards | MT | 951.39 | USD | 20251017 |
| Jinan Angxin Chem | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Hualu | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Yihe Chem | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Daoqin Chem | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Fusheng | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Fusheng | China national standards | MT | 887.72 | USD | 20251016 |