| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | 85% | MT | 1012.26 | USD | 20250921 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | 85% | MT | 1012.26 | USD | 20250920 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | 85% | MT | 1012.26 | USD | 20250919 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | 85% | MT | 1012.87 | USD | 20250918 |