| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.61 | USD | 20251125 |
| Guangdong Huihao Industrial Trade Co., Ltd. | China national standards | MT | 162.37 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 112.95 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 112.95 | USD | 20251125 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 124.21 | USD | 20251124 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 138.33 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.37 | USD | 20251124 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 141.15 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.1 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.1 | USD | 20251124 |