| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 911.48 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Sinopec | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 918.55 | USD | 20251208 |
| Sinopec | China national standards | MT | 918.55 | USD | 20251208 |