| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1101.18 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1122.22 | USD | 20250821 |
| JS Xiaomi Chem | China national standards | MT | 945.59 | USD | 20250820 |
| Qingdao Shengze Chem | China national standards | MT | 945.59 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 1050.66 | USD | 20250820 |
| Shandong Junfeng | China national standards | MT | 910.57 | USD | 20250820 |
| Shandong Xingpeng Chem | China national standards | MT | 938.59 | USD | 20250820 |
| Shandong Xima | China national standards | MT | 882.55 | USD | 20250820 |
| Shandong Qiangsen Chem | China national standards | MT | 924.58 | USD | 20250820 |