| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 882.71 | USD | 20250816 |
| Shandong Xima | China national standards | MT | 882.71 | USD | 20250816 |
| Shandong Qiangsen Chem | China national standards | MT | 938.76 | USD | 20250816 |
| Jinan Shengfeng | China national standards | MT | 952.77 | USD | 20250815 |
| Shandong Laya Chem | China national standards | MT | 882.71 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 882.71 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 938.76 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 966.78 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 967.24 | USD | 20250814 |
| Jinan Shengfeng | China national standards | MT | 953.22 | USD | 20250814 |