| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | 128# | MT | 2179.84 | USD | 20250922 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2179.84 | USD | 20250922 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2179.17 | USD | 20250919 |
| Baozhen Shandong Chem | 128# | MT | 2179.17 | USD | 20250919 |
| Baozhen Shandong Chem | 81percent | MT | 2249.47 | USD | 20250919 |
| Baozhen Shandong Chem | 128# | MT | 2180.49 | USD | 20250918 |
| Baozhen Shandong Chem | 81percent | MT | 2250.83 | USD | 20250918 |
| Baozhen Shandong Chem | Industrial Grade | MT | 2180.49 | USD | 20250918 |