| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 190.12 | USD | 20250909 |
| Henan Huiyihai | China national standards | MT | 175.98 | USD | 20250908 |
| Shandong Qiangsen Chem | China national standards | MT | 190.06 | USD | 20250908 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.14 | USD | 20250908 |
| Henan Huiyihai | China national standards | MT | 175.9 | USD | 20250907 |
| Jiangxi Jinghao Salt | China national standards | MT | 204.04 | USD | 20250907 |
| Henan Huiyihai | China national standards | MT | 175.9 | USD | 20250906 |
| Shandong Qiangsen Chem | China national standards | MT | 189.97 | USD | 20250906 |
| Henan Huiyihai | China national standards | MT | 175.9 | USD | 20250905 |
| Shandong Qiangsen Chem | China national standards | MT | 189.97 | USD | 20250905 |