| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.23 | USD | 20250903 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.26 | USD | 20250903 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250903 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 281.26 | USD | 20250903 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.2 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.9 | USD | 20250902 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.3 | USD | 20250902 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.34 | USD | 20250902 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.4 | USD | 20250901 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.37 | USD | 20250901 |