| Vendor | Spec | Unit | Price | Currency | Date |
| Kunlun Daqing Petro | China national standards | MT | 1200.01 | USD | 20251112 |
| Xiamen Yudeshun Chem | China national standards | MT | 1341.18 | USD | 20251112 |
| Shandong Laya Chem | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 931.77 | USD | 20251112 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.77 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 988.24 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 903.53 | USD | 20251112 |
| Beijing Yanshan Petro | China national standards | MT | 1221.18 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 931.77 | USD | 20251112 |