| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Wonfull Petro | China national standards | MT | 747.02 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.02 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.02 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.02 | USD | 20251019 |
| Shanghai Ronghe Chem | China national standards | MT | 789.3 | USD | 20251019 |
| Shandong Wonfull Petro | China national standards | MT | 845.68 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Zibo Qixiang Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong QiFa Chem | China national standards | MT | 887.96 | USD | 20251018 |