| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.15 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.89 | USD | 20251205 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.96 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.56 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.15 | USD | 20251205 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 254.42 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.82 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.62 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.86 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.96 | USD | 20251204 |