| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.46 | USD | 20251027 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.38 | USD | 20251027 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.17 | USD | 20251026 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.88 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.33 | USD | 20251025 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 324.27 | USD | 20251024 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251024 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.78 | USD | 20251024 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.17 | USD | 20251024 |