| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | 81percent | MT | 2258.74 | USD | 20251107 |
| Baozhen Shandong Chem | 128# | MT | 2256.67 | USD | 20251105 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2187.2 | USD | 20251103 |
| Baozhen Shandong Chem | 81percent | MT | 2257.75 | USD | 20251103 |
| Baozhen Shandong Chem | 128# | MT | 2187.2 | USD | 20251103 |
| Baozhen Shandong Chem | 128# | MT | 2257.75 | USD | 20251103 |
| Baozhen Shandong Chem | 128# | MT | 2257.34 | USD | 20251101 |
| Baozhen Shandong Chem | 128# | MT | 2258.1 | USD | 20251028 |
| Baozhen Shandong Chem | 81percent | MT | 2257.3 | USD | 20251027 |
| Baozhen Shandong Chem | 128# | MT | 2186.76 | USD | 20251027 |