| Vendor | Spec | Unit | Price | Currency | Date |
| Sichuan Hebang Biotechnology Co., Ltd. | China national standards | MT | 232.8 | USD | 20251122 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.42 | USD | 20251122 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.71 | USD | 20251122 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.37 | USD | 20251122 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 225.75 | USD | 20251122 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.42 | USD | 20251121 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.64 | USD | 20251121 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 190.48 | USD | 20251121 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 197.53 | USD | 20251121 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 183.42 | USD | 20251121 |