| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong QiFa Chem | China national standards | MT | 886.64 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Xiangfen Longteng | China national standards | MT | 844.42 | USD | 20250930 |
| Zibo Qixiang Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Wonfull Petro | China national standards | MT | 844.42 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 851.45 | USD | 20250930 |