| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 1665.09 | USD | 20251103 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1763.87 | USD | 20251103 |
| Baozhen Shandong Chem | China national standards | MT | 867.82 | USD | 20251103 |
| Baozhen Shandong Chem | China national standards | MT | 867.66 | USD | 20251101 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1763.54 | USD | 20251101 |
| Baozhen Shandong Chem | China national standards | MT | 1664.79 | USD | 20251101 |
| Baozhen Shandong Chem | China national standards | MT | 1665.35 | USD | 20251028 |
| Baozhen Shandong Chem | China national standards | MT | 867.96 | USD | 20251028 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1764.14 | USD | 20251028 |
| Baozhen Shandong Chem | China national standards | MT | 867.65 | USD | 20251027 |