| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 825.09 | USD | 20251105 |
| Zibo Qixiang Chem | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Jinwen Chem | China national standards | MT | 853.3 | USD | 20251105 |
| Zibo Qixiang Chem | China national standards | MT | 775.73 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 888.56 | USD | 20251105 |
| Zibo Qixiang Chem | China national standards | MT | 775.73 | USD | 20251105 |
| Shandong Jinwen Chem | China national standards | MT | 853.3 | USD | 20251105 |
| Jinan Jinhao Chem | China national standards | MT | 747.52 | USD | 20251105 |