| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 204.06 | USD | 20250915 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.01 | USD | 20250914 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 204.17 | USD | 20250914 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.01 | USD | 20250913 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.04 | USD | 20250909 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 204.2 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.12 | USD | 20250909 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.98 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.06 | USD | 20250908 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 204.14 | USD | 20250908 |