| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.45 | USD | 20251125 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.33 | USD | 20251124 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.17 | USD | 20251121 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.0 | USD | 20251120 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.28 | USD | 20251118 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.51 | USD | 20251117 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.46 | USD | 20251114 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.23 | USD | 20251113 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.41 | USD | 20251112 |