| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 281.35 | USD | 20250918 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.69 | USD | 20250918 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 256.03 | USD | 20250918 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 391.08 | USD | 20250918 |