| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 985.82 | USD | 20251013 |
| Nanjing Runsheng Petro | China national standards | MT | 1013.98 | USD | 20251013 |
| Shandong Laya Chem | China national standards | MT | 999.9 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1105.52 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1281.56 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1253.4 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1077.36 | USD | 20251013 |