| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Hanyue Chem | China national standards | MT | 999.2 | USD | 20250925 |
| Shandong Hanyue Chem | China national standards | MT | 999.2 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 942.9 | USD | 20250925 |
| Lihuayi Shandong | China national standards | MT | 942.9 | USD | 20250925 |
| Sinopec | China national standards | MT | 942.9 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 942.9 | USD | 20250925 |