| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.07 | USD | 20250806 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.23 | USD | 20250805 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.13 | USD | 20250804 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 265.75 | USD | 20250801 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 265.76 | USD | 20250731 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 265.95 | USD | 20250730 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 265.69 | USD | 20250729 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 265.86 | USD | 20250728 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.04 | USD | 20250727 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 266.04 | USD | 20250725 |