| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1113.48 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1106.43 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1240.33 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1099.38 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 1113.48 | USD | 20251017 |
| Shandong Zhiheng | China national standards | MT | 1113.48 | USD | 20251017 |
| Beijing Xinqr Petro | China national standards | MT | 915.91 | USD | 20251016 |