| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 190.01 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 190.01 | USD | 20251011 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.35 | USD | 20251011 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.35 | USD | 20251011 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 232.24 | USD | 20251011 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.94 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 182.97 | USD | 20251011 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 211.12 | USD | 20251011 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.42 | USD | 20251011 |