| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 748.21 | USD | 20251107 |
| Zibo Qixiang Chem | China national standards | MT | 705.86 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 719.97 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 889.38 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 748.21 | USD | 20251107 |
| Shandong Wonfull Petro | China national standards | MT | 847.03 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 719.97 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 741.15 | USD | 20251107 |
| Shandong Wonfull Petro | China national standards | MT | 825.51 | USD | 20251106 |
| Shandong Fusheng | China national standards | MT | 747.9 | USD | 20251106 |