| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong QiFa Chem | China national standards | MT | 886.72 | USD | 20251010 |
| Zibo Qixiang Chem | China national standards | MT | 844.5 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Wonfull Petro | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 774.12 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 745.97 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 745.97 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 745.97 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 745.97 | USD | 20251010 |
| Shandong Yushuo Chem | China national standards | MT | 745.97 | USD | 20251010 |