| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250920 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.42 | USD | 20250916 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.32 | USD | 20250915 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.45 | USD | 20250912 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.49 | USD | 20250909 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.42 | USD | 20250908 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.34 | USD | 20250904 |