| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 232.87 | USD | 20251118 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.47 | USD | 20251118 |
| Henan Baiquan Pharmaceutical Co., Ltd. | China national standards | MT | 166.53 | USD | 20251118 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.51 | USD | 20251117 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 190.63 | USD | 20251117 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.93 | USD | 20251117 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.93 | USD | 20251117 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 225.94 | USD | 20251117 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.87 | USD | 20251117 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.0 | USD | 20251117 |