| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Jinshenrun Chem | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Jinshenrun Chem | China national standards | MT | 1124.35 | USD | 20250927 |
| Shandong Jinshenrun Chem | China national standards | MT | 1011.92 | USD | 20250927 |
| Shandong Jinshenrun Chem | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 1124.73 | USD | 20250919 |