| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1069.91 | USD | 20250911 |
| Shandong Fusheng | China national standards | MT | 964.33 | USD | 20250911 |
| Shandong Fusheng | China national standards | MT | 964.33 | USD | 20250911 |
| Qingdao Shengze Chem | China national standards | MT | 1069.49 | USD | 20250910 |
| Shandong Fusheng | China national standards | MT | 963.95 | USD | 20250910 |
| Shandong Fusheng | China national standards | MT | 963.95 | USD | 20250910 |
| Qingdao Shengze Chem | China national standards | MT | 1070.3 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 964.68 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 964.68 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 964.39 | USD | 20250908 |