| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1171.13 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 891.75 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 903.04 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 895.98 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 973.59 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Sinopec | China national standards | MT | 903.04 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 903.04 | USD | 20251119 |
| Nanjing Runsheng Petro | China national standards | MT | 903.04 | USD | 20251119 |