| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.92 | USD | 20250826 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 280.95 | USD | 20250826 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.85 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.64 | USD | 20250826 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.05 | USD | 20250825 |
| Suzhou Zhaohua Chemical Co., Ltd. | China national standards | MT | 351.32 | USD | 20250825 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.03 | USD | 20250825 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.95 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.71 | USD | 20250825 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 273.41 | USD | 20250824 |