| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.35 | USD | 20250918 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2154.11 | USD | 20250916 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2154.05 | USD | 20250908 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.99 | USD | 20250906 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.75 | USD | 20250901 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2149.24 | USD | 20250826 |