| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.61 | USD | 20250913 |
| Suzhou Zhaohua Chemical Co., Ltd. | China national standards | MT | 352.02 | USD | 20250913 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.57 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.09 | USD | 20250913 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 281.61 | USD | 20250912 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.45 | USD | 20250912 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.57 | USD | 20250912 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.09 | USD | 20250912 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.61 | USD | 20250912 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.12 | USD | 20250909 |