| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 280.31 | USD | 20250813 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.29 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.21 | USD | 20250813 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.3 | USD | 20250813 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 280.04 | USD | 20250812 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.04 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.03 | USD | 20250812 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 280.04 | USD | 20250812 |
| Quanzhou Harley Chemical Co., Ltd. | China national standards | MT | 308.1 | USD | 20250811 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.09 | USD | 20250811 |