| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.32 | USD | 20251018 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 162.09 | USD | 20251018 |
| Henan Leavit Chemical Technology Co., Ltd. | Food Grade | MT | 149.4 | USD | 20251018 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 169.14 | USD | 20251017 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251017 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.42 | USD | 20251017 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.51 | USD | 20251017 |
| Henan Leavit Chemical Technology Co., Ltd. | Food Grade | MT | 149.4 | USD | 20251017 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 162.09 | USD | 20251017 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.32 | USD | 20251017 |