| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 959.84 | USD | 20250805 |
| Qingdao Shengze Chem | China national standards | MT | 1106.97 | USD | 20250805 |
| Qingdao Shengze Chem | China national standards | MT | 1106.52 | USD | 20250804 |
| Shandong Fusheng | China national standards | MT | 959.45 | USD | 20250804 |
| Shandong Fusheng | China national standards | MT | 959.45 | USD | 20250804 |
| Qingdao Shengze Chem | China national standards | MT | 1104.96 | USD | 20250803 |
| Qingdao Shengze Chem | China national standards | MT | 1104.96 | USD | 20250801 |
| Shandong Fusheng | China national standards | MT | 958.1 | USD | 20250801 |
| Shandong Fusheng | China national standards | MT | 958.1 | USD | 20250801 |
| Shandong Fusheng | China national standards | MT | 958.12 | USD | 20250731 |