| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.81 | USD | 20251126 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.63 | USD | 20251126 |
| Chang Zhou Qi Di Chemical Co., Ltd. | Food Grade | MT | 416.69 | USD | 20251126 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.88 | USD | 20251126 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 190.69 | USD | 20251126 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.88 | USD | 20251126 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 190.69 | USD | 20251126 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.88 | USD | 20251126 |