| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.14 | USD | 20250922 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250919 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.48 | USD | 20250918 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.48 | USD | 20250918 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1140.41 | USD | 20250916 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1140.72 | USD | 20250909 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1140.38 | USD | 20250908 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1140.38 | USD | 20250908 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.82 | USD | 20250906 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.42 | USD | 20250902 |