| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 789.3 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 803.39 | USD | 20251017 |
| Sinopec | China national standards | MT | 775.2 | USD | 20251017 |
| Wanhua Chem | China national standards | MT | 761.11 | USD | 20251017 |
| Shandong Zhiheng | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1240.33 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 775.0 | USD | 20251016 |
| Qingdao Chengxin Chem | China national standards | MT | 803.18 | USD | 20251016 |
| Lihuayi Shandong | China national standards | MT | 789.09 | USD | 20251016 |
| Lihuayi Shandong | China national standards | MT | 789.09 | USD | 20251016 |