| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.67 | USD | 20250929 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250925 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.59 | USD | 20250922 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 506.44 | USD | 20250918 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |