| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 197.65 | USD | 20251112 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 204.61 | USD | 20251111 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 204.64 | USD | 20251110 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.76 | USD | 20251107 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.67 | USD | 20251106 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.56 | USD | 20251105 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.61 | USD | 20251104 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.66 | USD | 20251103 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.63 | USD | 20251101 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 211.63 | USD | 20251031 |