| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Petro Yanan | China national standards | MT | 1061.04 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 944.09 | USD | 20251016 |
| Luxi Chem | China national standards | MT | 972.27 | USD | 20251016 |
| Lihuayi Shandong | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Laya Chem | China national standards | MT | 789.09 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 845.45 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 845.45 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Aite Chem | China national standards | MT | 943.73 | USD | 20251015 |