| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.83 | USD | 20251208 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1269.66 | USD | 20251104 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1269.98 | USD | 20251103 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1269.98 | USD | 20251103 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251101 |