| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 816.25 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 816.25 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 802.17 | USD | 20250925 |
| Shandong Energy | China national standards | MT | 774.03 | USD | 20250925 |
| Jinan Jiaxing Chem | China national standards | MT | 844.39 | USD | 20250925 |
| Lihuayi Shandong | China national standards | MT | 830.32 | USD | 20250925 |
| Shaanxi Petro Yanan | China national standards | MT | 1059.71 | USD | 20250925 |
| Wanhua Chem | China national standards | MT | 1020.31 | USD | 20250925 |
| Luxi Chem | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Jinshenrun Chem | China national standards | MT | 844.39 | USD | 20250925 |