| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.84 | USD | 20250922 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.72 | USD | 20250919 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.96 | USD | 20250918 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.3 | USD | 20250916 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.13 | USD | 20250915 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.34 | USD | 20250912 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 380.24 | USD | 20250909 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 379.94 | USD | 20250906 |