| Vendor | Spec | Unit | Price | Currency | Date |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.2 | USD | 20250815 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.14 | USD | 20250815 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 203.16 | USD | 20250815 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.15 | USD | 20250815 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.22 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.24 | USD | 20250814 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 203.26 | USD | 20250814 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |