| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.86 | USD | 20251122 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.91 | USD | 20251119 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.16 | USD | 20251118 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.81 | USD | 20251117 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251114 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.53 | USD | 20251112 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1482.36 | USD | 20251112 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1481.67 | USD | 20251111 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.16 | USD | 20251110 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.49 | USD | 20251107 |