| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1191.39 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 1166.16 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 952.26 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1204.33 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1165.12 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1190.33 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1169.32 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 1204.33 | USD | 20250806 |
| Qingdao Shengze Chem | China national standards | MT | 1008.28 | USD | 20250806 |
| Shandong Xingpeng Chem | China national standards | MT | 1081.1 | USD | 20250806 |