| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1110.3 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 1110.3 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 1103.27 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Zhiheng | China national standards | MT | 1110.3 | USD | 20250928 |
| Beijing Yanshan Petro | China national standards | MT | 1110.3 | USD | 20250928 |