| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | 81percent | MT | 2261.2 | USD | 20251201 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2190.53 | USD | 20251201 |
| Baozhen Shandong Chem | 128# | MT | 2260.24 | USD | 20251128 |
| Baozhen Shandong Chem | 128# | MT | 2260.01 | USD | 20251126 |
| Baozhen Shandong Chem | 128# | MT | 2259.06 | USD | 20251125 |
| Baozhen Shandong Chem | 128# | MT | 2258.39 | USD | 20251124 |
| Baozhen Shandong Chem | 81percent | MT | 2258.39 | USD | 20251124 |
| Baozhen Shandong Chem | 128# | MT | 2187.81 | USD | 20251124 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2187.81 | USD | 20251124 |
| Baozhen Shandong Chem | 128# | MT | 2257.5 | USD | 20251121 |