| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.84 | USD | 20251003 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.84 | USD | 20251002 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.84 | USD | 20251001 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 246.29 | USD | 20250930 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.84 | USD | 20250930 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 281.47 | USD | 20250930 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.67 | USD | 20250929 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 246.17 | USD | 20250929 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 379.81 | USD | 20250929 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 281.34 | USD | 20250929 |