| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 989.08 | USD | 20251209 |
| Sinopec | China national standards | MT | 989.08 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 1158.63 | USD | 20251209 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.87 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1335.25 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1299.93 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 1201.02 | USD | 20251209 |
| Sinopec | China national standards | MT | 1229.28 | USD | 20251209 |
| Sinopec | China national standards | MT | 1229.28 | USD | 20251209 |
| Shandong Yuhuang Chem | China national standards | MT | 1370.58 | USD | 20251209 |