| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Dezheng Chem | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Hanyue Chem | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Hanyue Chem | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Shuojia Chem | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Shuojia Chem | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Shuojia Chem | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Shuojia Chem | China national standards | MT | 942.48 | USD | 20250929 |
| Sinopec | China national standards | MT | 942.48 | USD | 20250929 |
| Beijing Yanshan Petro | China national standards | MT | 942.48 | USD | 20250929 |