| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1298.24 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 1030.13 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 931.35 | USD | 20251113 |
| Aite Zhejiang | China national standards | MT | 1312.35 | USD | 20251113 |
| Sinopec | China national standards | MT | 1213.58 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 1220.63 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 987.79 | USD | 20251113 |
| Sinopec | China national standards | MT | 867.85 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 865.03 | USD | 20251113 |
| Hubei 789 Chem | China national standards | MT | 1298.24 | USD | 20251113 |