| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | Industrial Grade | MT | 1765.81 | USD | 20251128 |
| Baozhen Shandong Chem | China national standards | MT | 1666.93 | USD | 20251128 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1765.64 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 868.69 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 1666.76 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 868.33 | USD | 20251125 |
| Baozhen Shandong Chem | China national standards | MT | 1666.05 | USD | 20251125 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1764.89 | USD | 20251125 |
| Baozhen Shandong Chem | China national standards | MT | 1665.56 | USD | 20251124 |
| Baozhen Shandong Chem | China national standards | MT | 868.07 | USD | 20251124 |