| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 938.91 | USD | 20250819 |
| Shandong Laya Chem | China national standards | MT | 882.86 | USD | 20250819 |
| Jinan Shengfeng | China national standards | MT | 953.42 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 939.4 | USD | 20250818 |
| Shandong Laya Chem | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Laya Chem | China national standards | MT | 882.71 | USD | 20250816 |
| Shandong Xima | China national standards | MT | 966.78 | USD | 20250816 |