| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.36 | USD | 20251016 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 162.04 | USD | 20251016 |
| Henan Leavit Chemical Technology Co., Ltd. | Food Grade | MT | 149.36 | USD | 20251016 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 281.82 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.82 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.82 | USD | 20251016 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.45 | USD | 20251016 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.36 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.18 | USD | 20251016 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.27 | USD | 20251016 |