| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 943.26 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 957.34 | USD | 20250829 |
| Shandong Xima | China national standards | MT | 886.95 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 929.18 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 929.18 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1126.28 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1105.17 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1112.21 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1112.21 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1098.13 | USD | 20250829 |