| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20250930 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20250930 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.42 | USD | 20250929 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250928 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250926 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.93 | USD | 20250925 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.93 | USD | 20250925 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.93 | USD | 20250924 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.14 | USD | 20250922 |