| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 1055.49 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 1146.97 | USD | 20250923 |
| Shandong Yeyang Chem | China national standards | MT | 1139.93 | USD | 20250923 |