| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 945.59 | USD | 20250820 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 939.4 | USD | 20250818 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 938.76 | USD | 20250815 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 939.2 | USD | 20250814 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 939.03 | USD | 20250813 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 925.54 | USD | 20250812 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 925.71 | USD | 20250811 |