| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 745.9 | USD | 20251001 |
| Shandong Wonfull Petro | China national standards | MT | 745.9 | USD | 20251001 |
| Shandong Feiyang Chem | China national standards | MT | 985.15 | USD | 20251001 |
| Ningbo Zhetie Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 745.9 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 745.9 | USD | 20250930 |
| Jinan Jinhao Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Jinan Jinhao Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 774.05 | USD | 20250930 |