| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Daze | China national standards | MT | 1126.28 | USD | 20250831 |
| Nanjing Daze | China national standards | MT | 1126.28 | USD | 20250830 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250830 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250830 |
| Shandong Xima | China national standards | MT | 872.87 | USD | 20250830 |
| Shandong Qiangsen Chem | China national standards | MT | 886.95 | USD | 20250830 |
| Shandong Qiangsen Chem | China national standards | MT | 886.95 | USD | 20250830 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250829 |
| Shandong Fusheng | China national standards | MT | 1098.13 | USD | 20250829 |