| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 965.86 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 986.95 | USD | 20250920 |
| Sinopec | China national standards | MT | 984.14 | USD | 20250920 |
| Beijing Yanshan Petro | China national standards | MT | 986.95 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 984.14 | USD | 20250920 |