| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1015.26 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1106.91 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 1057.56 | USD | 20251023 |