| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1087.99 | USD | 20251209 |
| Baozhen Shandong Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Baozhen Shandong Chem | China national standards | MT | 1010.27 | USD | 20251209 |
| Baozhen Shandong Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 961.36 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 961.01 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 1010.47 | USD | 20251201 |