| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.68 | USD | 20250926 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 123.68 | USD | 20250926 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 168.65 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.6 | USD | 20250926 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 102.6 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.6 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 112.44 | USD | 20250926 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 161.63 | USD | 20250926 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 137.73 | USD | 20250926 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 168.65 | USD | 20250926 |