| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | China national standards | MT | 175.11 | USD | 20250820 |
| Shandong Qiangsen Chem | China national standards | MT | 189.12 | USD | 20250820 |
| Jiangxi Jinghao Salt | China national standards | MT | 203.13 | USD | 20250820 |
| Henan Senmei | China national standards | MT | 266.26 | USD | 20250819 |
| Henan Huiyihai | China national standards | MT | 175.17 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 189.18 | USD | 20250819 |
| Jiangxi Jinghao Salt | China national standards | MT | 203.2 | USD | 20250819 |
| Jiangxi Jinghao Salt | China national standards | MT | 203.3 | USD | 20250818 |
| Henan Huiyihai | China national standards | MT | 175.26 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 189.28 | USD | 20250818 |