| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.83 | USD | 20250828 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.83 | USD | 20250828 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1137.83 | USD | 20250826 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1138.26 | USD | 20250825 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1135.71 | USD | 20250822 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1136.25 | USD | 20250821 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1136.25 | USD | 20250821 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1134.71 | USD | 20250820 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1135.69 | USD | 20250818 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1135.69 | USD | 20250818 |