| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 911.17 | USD | 20250814 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 911.0 | USD | 20250813 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 910.13 | USD | 20250812 |