| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.31 | USD | 20251210 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.94 | USD | 20251210 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.74 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | Food Grade | MT | 159.71 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.71 | USD | 20251210 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 183.74 | USD | 20251210 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 212.01 | USD | 20251210 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.95 | USD | 20251209 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.95 | USD | 20251209 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 226.07 | USD | 20251209 |