| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 792.24 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 792.24 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 870.04 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 870.04 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 792.24 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 735.65 | USD | 20251211 |