| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 395.68 | USD | 20251208 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 395.85 | USD | 20251204 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.87 | USD | 20251203 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.64 | USD | 20251202 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.84 | USD | 20251201 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.67 | USD | 20251128 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.73 | USD | 20251127 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.63 | USD | 20251126 |