| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Lihuayi Shandong | China national standards | MT | 918.55 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 1328.36 | USD | 20251208 |
| Xiamen Yudeshun Chem | China national standards | MT | 1342.49 | USD | 20251208 |
| Xiamen Yudeshun Chem | China national standards | MT | 1342.49 | USD | 20251208 |