| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250903 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.2 | USD | 20250902 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.26 | USD | 20250901 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.41 | USD | 20250829 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.3 | USD | 20250828 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250827 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.85 | USD | 20250826 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.95 | USD | 20250825 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.38 | USD | 20250822 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 252.5 | USD | 20250821 |