| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1175.82 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 1045.8 | USD | 20251201 |
| Liaocheng Xinli | China national standards | MT | 1059.94 | USD | 20251201 |
| China Kingho | China national standards | MT | 1074.07 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 1045.8 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 876.21 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1252.14 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1074.07 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 1003.41 | USD | 20251201 |