| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.03 | USD | 20251009 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20251008 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20251007 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20251001 |
| 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 | 224.87 | USD | 20250927 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 224.87 | USD | 20250926 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.17 | USD | 20250923 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 224.95 | USD | 20250921 |