| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.06 | USD | 20250829 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.41 | USD | 20250829 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.4 | USD | 20250828 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.44 | USD | 20250828 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.3 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.97 | USD | 20250828 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.23 | USD | 20250827 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.26 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.85 | USD | 20250827 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250827 |