| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.25 | USD | 20251201 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.15 | USD | 20251128 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.13 | USD | 20251126 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.02 | USD | 20251125 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.95 | USD | 20251124 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.86 | USD | 20251122 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.92 | USD | 20251118 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.06 | USD | 20251117 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.03 | USD | 20251114 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 240.0 | USD | 20251112 |