| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Wonfull Petro | China national standards | MT | 713.55 | USD | 20251209 |
| Shijiaz Bailong Chem | China national standards | MT | 847.78 | USD | 20251209 |
| Jinan Jinhao Chem | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.55 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Hanyue Chem | China national standards | MT | 706.48 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 847.78 | USD | 20251209 |