| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 903.24 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 899.01 | USD | 20251118 |
| Sinopec | China national standards | MT | 931.47 | USD | 20251118 |
| Sinopec | China national standards | MT | 903.24 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 931.47 | USD | 20251118 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.75 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 899.01 | USD | 20251118 |
| Hubei 789 Chem | China national standards | MT | 1298.41 | USD | 20251118 |