| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1402.09 | USD | 20250818 |
| Shandong Mengkanda Chem | China national standards | MT | 1072.6 | USD | 20250818 |
| Shandong Mengkanda Chem | China national standards | MT | 1072.6 | USD | 20250818 |
| Shandong Xingpeng Chem | China national standards | MT | 1444.15 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 841.26 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 918.37 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 1051.57 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1177.76 | USD | 20250818 |