| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 926.02 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 713.95 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 763.43 | USD | 20251204 |
| Shandong Energy | China national standards | MT | 791.71 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Laya Chem | China national standards | MT | 791.71 | USD | 20251204 |
| Suzhou Zixu Mat | China national standards | MT | 1244.12 | USD | 20251204 |
| Shandong Energy | China national standards | MT | 1017.91 | USD | 20251204 |
| Nanjing Runsheng Petro | China national standards | MT | 721.02 | USD | 20251204 |