| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 719.97 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 748.21 | USD | 20251107 |
| Jinan Jinrihe Chem | China national standards | MT | 691.74 | USD | 20251107 |
| Shandong Feiyang Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Tangshan Huayi | China national standards | MT | 889.38 | USD | 20251107 |
| Jinan Jinrihe Chem | China national standards | MT | 691.74 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 748.21 | USD | 20251107 |
| Jinan Jinrihe Chem | China national standards | MT | 691.74 | USD | 20251107 |
| Shandong Wonfull Petro | China national standards | MT | 705.86 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 719.97 | USD | 20251107 |