| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.38 | USD | 20250821 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.5 | USD | 20250821 |
| Suzhou Zhaohua Chemical Co., Ltd. | China national standards | MT | 350.22 | USD | 20250820 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.17 | USD | 20250820 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 280.17 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.12 | USD | 20250820 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.16 | USD | 20250820 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 280.27 | USD | 20250819 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.27 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.18 | USD | 20250819 |