| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250928 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.2 | USD | 20250928 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.03 | USD | 20250927 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.17 | USD | 20250927 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.2 | USD | 20250927 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.03 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.03 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.17 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.73 | USD | 20250926 |