| Vendor | Spec | Unit | Price | Currency | Date |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 183.71 | USD | 20251208 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 212.02 | USD | 20251207 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 212.02 | USD | 20251207 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 226.15 | USD | 20251207 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 169.61 | USD | 20251207 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 169.61 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | Food Grade | MT | 155.48 | USD | 20251207 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.75 | USD | 20251207 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.75 | USD | 20251207 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.95 | USD | 20251207 |