| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.31 | USD | 20251025 |
| Lihuayi Shandong | China national standards | MT | 909.37 | USD | 20251025 |
| Shaanxi Yanchang Petro | China national standards | MT | 909.37 | USD | 20251025 |
| Sinopec | China national standards | MT | 909.37 | USD | 20251025 |
| Sinopec | China national standards | MT | 1127.9 | USD | 20251025 |
| Lihuayi Shandong | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Junfeng | China national standards | MT | 986.92 | USD | 20251025 |
| Beijing Yanshan Petro | China national standards | MT | 1156.1 | USD | 20251025 |
| Shandong Laya Chem | China national standards | MT | 972.82 | USD | 20251025 |