| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 882.71 | USD | 20250816 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 868.7 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 882.71 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 882.71 | USD | 20250815 |
| Shandong Fusheng | China national standards | MT | 1092.88 | USD | 20250815 |
| Shandong Fusheng | China national standards | MT | 882.71 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Xima | China national standards | MT | 869.11 | USD | 20250814 |