| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.35 | USD | 20251020 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 194.44 | USD | 20251020 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.35 | USD | 20251020 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251019 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251019 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.51 | USD | 20251019 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.23 | USD | 20251019 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251018 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.37 | USD | 20251018 |