| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 918.69 | USD | 20251210 |
| Sinopec | China national standards | MT | 918.69 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 918.69 | USD | 20251210 |
| Nanjing Runsheng Petro | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 911.62 | USD | 20251210 |