| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.37 | USD | 20251018 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.23 | USD | 20251018 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Food Grade | MT | 246.66 | USD | 20251018 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Food Grade | MT | 246.66 | USD | 20251018 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.23 | USD | 20251018 |
| 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 |