| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 878.97 | USD | 20250922 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 871.67 | USD | 20250919 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 878.7 | USD | 20250919 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 879.23 | USD | 20250918 |