| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1106.72 | USD | 20250808 |
| Shandong Fusheng | China national standards | MT | 959.63 | USD | 20250808 |
| Shandong Fusheng | China national standards | MT | 959.63 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 1107.3 | USD | 20250807 |
| Shandong Fusheng | China national standards | MT | 960.12 | USD | 20250807 |
| Shandong Fusheng | China national standards | MT | 960.12 | USD | 20250807 |
| Qingdao Shengze Chem | China national standards | MT | 1106.3 | USD | 20250806 |
| Shandong Fusheng | China national standards | MT | 959.26 | USD | 20250806 |
| Shandong Fusheng | China national standards | MT | 959.26 | USD | 20250806 |
| Shandong Fusheng | China national standards | MT | 959.84 | USD | 20250805 |