| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.07 | USD | 20250930 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 194.22 | USD | 20250930 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.1 | USD | 20250930 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.1 | USD | 20250930 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 194.22 | USD | 20250930 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 182.87 | USD | 20250929 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 196.94 | USD | 20250929 |