| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 837.78 | USD | 20251014 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 794.07 | USD | 20250926 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250925 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250925 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250924 |