| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.73 | USD | 20251201 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.65 | USD | 20251125 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.31 | USD | 20251124 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.86 | USD | 20251122 |