| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | China national standards | MT | 175.99 | USD | 20250916 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.15 | USD | 20250916 |
| Henan Huiyihai | China national standards | MT | 175.92 | USD | 20250915 |
| Shandong Qiangsen Chem | China national standards | MT | 189.99 | USD | 20250915 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.06 | USD | 20250915 |
| Henan Huiyihai | China national standards | MT | 176.01 | USD | 20250914 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.17 | USD | 20250914 |
| Henan Huiyihai | China national standards | MT | 176.01 | USD | 20250913 |
| Henan Huiyihai | China national standards | MT | 176.04 | USD | 20250909 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.2 | USD | 20250909 |