| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.76 | USD | 20251027 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251025 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251024 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1142.16 | USD | 20251023 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1479.83 | USD | 20251022 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1141.58 | USD | 20251022 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1480.33 | USD | 20251021 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1141.97 | USD | 20251021 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1141.67 | USD | 20251017 |