| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 958.12 | USD | 20250731 |
| Shandong Fusheng | China national standards | MT | 958.12 | USD | 20250731 |
| Qingdao Shengze Chem | China national standards | MT | 1105.81 | USD | 20250730 |
| Shandong Fusheng | China national standards | MT | 958.83 | USD | 20250730 |
| Shandong Fusheng | China national standards | MT | 958.83 | USD | 20250730 |
| Qingdao Shengze Chem | China national standards | MT | 1104.73 | USD | 20250729 |
| Shandong Fusheng | China national standards | MT | 957.89 | USD | 20250729 |
| Shandong Fusheng | China national standards | MT | 957.89 | USD | 20250729 |
| Qingdao Shengze Chem | China national standards | MT | 1105.41 | USD | 20250728 |
| Shandong Fusheng | China national standards | MT | 958.48 | USD | 20250728 |