| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20250930 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250928 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 252.98 | USD | 20250927 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 252.98 | USD | 20250926 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.32 | USD | 20250923 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250921 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250920 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |