| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.2 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.86 | USD | 20251204 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.44 | USD | 20251204 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.94 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.14 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.14 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.8 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.87 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.7 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 254.26 | USD | 20251202 |