| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.68 | USD | 20251022 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.22 | USD | 20251022 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.36 | USD | 20251022 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.4 | USD | 20251022 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.4 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.4 | USD | 20251022 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 211.4 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.4 | USD | 20251022 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 194.49 | USD | 20251022 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.4 | USD | 20251022 |