| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.62 | USD | 20250930 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 316.5 | USD | 20250929 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.27 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.07 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.07 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.2 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.44 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250928 |