| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 762.0 | USD | 20251111 |
| Shandong Wonfull Petro | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Jinshenrun Chem | China national standards | MT | 740.83 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 889.13 | USD | 20251110 |
| Shandong Hanyue Chem | China national standards | MT | 705.66 | USD | 20251110 |
| Shandong Hanyue Chem | China national standards | MT | 705.66 | USD | 20251110 |
| Shandong Jinwen Chem | China national standards | MT | 853.84 | USD | 20251110 |
| Shandong Jinwen Chem | China national standards | MT | 853.84 | USD | 20251110 |
| Shandong Hanyue Chem | China national standards | MT | 705.66 | USD | 20251110 |