| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 869.09 | USD | 20251208 |
| Baozhen Shandong Chem | China national standards | MT | 1667.51 | USD | 20251208 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1766.43 | USD | 20251208 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1767.21 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 1668.25 | USD | 20251204 |
| Baozhen Shandong Chem | China national standards | MT | 869.47 | USD | 20251204 |
| Baozhen Shandong Chem | Industrial Grade | MT | 1766.56 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 1667.63 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 868.78 | USD | 20251128 |