| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1140.07 | USD | 20251010 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251008 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251006 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251005 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251004 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251003 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251002 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20251001 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20250930 |