| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 959.2 | USD | 20250723 |
| Qingdao Shengze Chem | China national standards | MT | 1105.51 | USD | 20250722 |
| Shandong Fusheng | China national standards | MT | 958.58 | USD | 20250722 |
| Shandong Fusheng | China national standards | MT | 958.58 | USD | 20250722 |
| Qingdao Shengze Chem | China national standards | MT | 1104.56 | USD | 20250721 |
| Shandong Fusheng | China national standards | MT | 957.75 | USD | 20250721 |
| Shandong Fusheng | China national standards | MT | 957.75 | USD | 20250721 |
| Qingdao Shengze Chem | China national standards | MT | 1104.93 | USD | 20250720 |
| Qingdao Shengze Chem | China national standards | MT | 1104.93 | USD | 20250719 |
| Qingdao Shengze Chem | China national standards | MT | 1104.93 | USD | 20250718 |