| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 478.5 | USD | 20250930 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 197.03 | USD | 20250930 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20250930 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 203.97 | USD | 20250929 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.84 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.2 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.2 | USD | 20250929 |
| Henan Lanen Chemical Co., Ltd. | China national standards | MT | 177.24 | USD | 20250929 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 232.1 | USD | 20250929 |