| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petro | China national standards | MT | 890.67 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1314.8 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1335.61 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 1222.55 | USD | 20251203 |
| Shandong Yuhuang Chem | China national standards | MT | 1293.21 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1300.28 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1194.28 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1194.28 | USD | 20251203 |
| Kunlun Daqing Petro | China national standards | MT | 1201.35 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 989.34 | USD | 20251203 |