| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Qinghong Chemical Co., Ltd. | China national standards | MT | 97.04 | USD | 20250922 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 85.79 | USD | 20250922 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 91.41 | USD | 20250922 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 91.38 | USD | 20250921 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 91.38 | USD | 20250920 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 91.38 | USD | 20250919 |
| Changzhou Qinghong Chemical Co., Ltd. | China national standards | MT | 104.04 | USD | 20250919 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 98.41 | USD | 20250919 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 87.17 | USD | 20250919 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 87.22 | USD | 20250918 |