| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kaitai Petro | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Yihe Chem | China national standards | MT | 789.53 | USD | 20251024 |
| Shandong Mingyu | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1142.0 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 817.73 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 1198.4 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 1240.69 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 916.42 | USD | 20251024 |