| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 851.43 | USD | 20250923 |
| Shandong Laya Chem | China national standards | MT | 745.88 | USD | 20250923 |
| Shandong Fusheng | China national standards | MT | 788.1 | USD | 20250923 |
| Zibo Qixiang Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Jinan Jinhao Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Shijiaz Bailong Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Ningbo Zhetie Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Wonfull Petro | China national standards | MT | 843.81 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 843.81 | USD | 20250922 |