| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.02 | USD | 20251106 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.44 | USD | 20251105 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.99 | USD | 20251103 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251102 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251031 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1481.38 | USD | 20251031 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251031 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.03 | USD | 20251030 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.37 | USD | 20251029 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.16 | USD | 20251028 |