| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 868.07 | USD | 20251124 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1763.67 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 867.72 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 1664.9 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 1666.29 | USD | 20251117 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1765.14 | USD | 20251117 |
| Baozhen Shandong Chem | China national standards | MT | 868.45 | USD | 20251117 |
| Baozhen Shandong Chem | China national standards | MT | 867.85 | USD | 20251113 |
| Baozhen Shandong Chem | China national standards | MT | 1665.89 | USD | 20251112 |
| Baozhen Shandong Chem | China national standards | MT | 868.24 | USD | 20251112 |